Green’s Dictionary of Slang

blood n.1

[SE blood, either in the sense of the seat of the emotions or in that of breeding]

1. a rake, a roisterer, an aristocratic rowdy.

[UK]J. Rastell The Four Elements line 1289: Nowe set thy hert on a mery pyn Agayns these lusty bluddys come in.
[UK]W. Bullein Bk of Sicke Men and Medicenes fol. 73: There was a lustie blood, or a pleasant brave young roister at Athens [...] whiche commonly would talke and bragge.
[UK]Marriage of Wit and Science IV ii: Where are these lustrye blouds, that make their matche with mee?
[UK] Jonson Cynthia’s Revels I i: Save you, sweet bloods!
[UK]J. Day Ile of Guls I i: Welcome gallants, welcome honor’d bloods.
[UK]Fletcher Chances IV iii: What Blood have I now? [...] By this Light ’tis he, Frederick.
[UK]T. Walker The Quaker’s Opera II i: Ha, Old Brawn and Chine! how is it with thee? [...] How are all the Bloods in the Market?
[UK]Foote Englishman in Paris in Works (1799) I 31: Not a Buck, nor a Blood, through the whole English nation / But his roughness she’ll soften.
[UK]Stamford Mercury 3 Dec. 1/1: What prowess modern Bucks display, / Above the sneaking feats we’re told / Of reptile Bloods, in times of old; / When Scow’rers and Mohocks laid claim / To all the flattery of the flame.
[UK]G. Stevens ‘The Blood’ Songs Comic and Satyrical 139: Who dare to oppose, / Will be pluck’d by the Nose, / With a – Dam’ne Sir, a’n’t I a Blood?
C. Dibdin ‘The Joys of the Country’ in Bullfinch 10: Let bucks and let bloods to praise London agree.
[UK] ‘Tippy Jack’s Journey to Brighton’ in Holloway & Black I (1975) 263: Oh! ye bucks and ye bloods o’ the town.
[UK]Bridges Burlesque Homer (4th edn) II 396: Two bloods sprang up to guard the gates.
[UK] cited in ‘A Pembrochian’Gradus ad Cantabrigiam 111: ’Mongst horrid quizzes, bloods, and bucks unholy; / Find out some uncouth cell/ Where pallid Study spreads his midnight wings.
[UK]Lex. Balatronicum.
[US]R. Waln Hermit in America on Visit to Phila. 200: A certain hissing noise from ‘the gods,’ accompanied with the unpleasant sound of ‘turn ’em out,’ informed our young ‘bloods,’ it was time to decamp.
[UK]J. Burrowes Life in St George’s Fields 11: Bloods, of every sort and size, / Bloods, who pleasure dearly prize.
[UK]Egan Bk of Sports 150: I detected none of the [...] wildness, spirit and pleasure which light up ‘young bloods’ at other of the ancient and rude sports of this country.
[US]Ely’s Hawk & Buzzard (NY) Oct. 5 n.p.: Who would not be a sportsman and mount a curricle, support a mistress aand spend their employers money, to Ape after our town bloods?
[US]Whip & Satirist of NY & Brooklyn (NY) 12 Mar. n.p.: She came home with a certain sporting blood.
[UK]Thackeray Barry Lyndon (1905) 34: The modern bloods have given up the respectful ceremonies which distinguished a gentleman in my time.
[UK]Peeping Tom (London) 16 62/1: For some time past the bloods of Lincolns Inn and the Temple have been much attracted [etc].
[US]Squatter Sovereign (Atchinson, KS) 16 Dec. 1/2: A party of collegians and young bloods of the town had met together [...] to play and carouse.
[US]C.H. Smith Bill Arp 19: Mr. Lincoln, sir, privately speaking, I’m afraid I’ll get in a tight place here among these bloods, and have to slope out of it.
[US]J. O’Connor Wanderings of a Vagabond 15: One of the bloods of the place, having partaken too freely of the ardent, took the liberty to sleep it off in the dress-circle.
[Ind]‘Aliph Cheem’ Lays of Ind (1905) 173: [V]owing the bloods of the present day / Were made of brown paper, or very soft clay.
[US]Nat. Police Gaz. (NY) 17 June 3/2: [T]he artistes are ‘filling time’ as best tbey can by contracting to make flying trips to Burope with ‘bloods’.
[UK]Bristol Magpie 14 Dec. 11/1: [T]he merry mad bloods [...] felt no misgivings as to any possible consequences of their dangerous pleasantry.
[Aus]Bulletin (Sydney) 7 Mar. 12/1: At length some bloods of Darling Point, / Quite driven to despair, / an oath swore that they, on that night, / Would track him to his lair!
[Aus]Truth (Sydney) 4 Nov. 5/6: He saw several young military ‘bloods’ in an advanced state of booze.
[UK]A. Binstead Houndsditch Day by Day 74: A party of young bloods from the barracks were drinking and ‘a carryin’ on’.
[Aus]Sun. Times (Perth) 13 Nov. 1/1: A party of bloods and bar ladies had an hilarious beano at Cannington on Sunday.
[UK]A. Binstead Mop Fair 85: Connie [...] fairly electrified the young bloods.
[Aus]Sun. Times (Perth) 26 June 2nd sect. 17/7: The grave of one of the Tyson bloods, a prodigal who splashed enormous boodle over comic opera starlings, lies in a terribly neglected condition.
[US]J. Lait ‘‘Taxi, Mister!’’ in Beef, Iron and Wine (1917) 139: He will have the concentrated shady knowledge of all the bloods, pikers, come-ons, roisterers, gamblers, cheaters, beaux, rich men’s sons, and poor men’s daughters.
[US]O.O. McIntyre New York Day by Day 20 Dec. [synd. col.] Uptown ‘bloods’ who regard a trip to the National Winter Garden as a bit of slumming.
[UK]R. Westerby Wide Boys Never Work (1938) 101: They were all fairly lit-up with whisky, and all ready for trouble, as Bloods should be.
[US]J.H. O’Hara Pal Joey 99: Her hair is crew cut like the college blood.
[UK]M. Marples Public School Slang 16: blood, buck, swell. These three words, all used in standard English of the same type of young man [...] are also synonymous in school slang, where they denote boys who are prominent among their fellows generally through athletic prowess.
[UK]R. Fabian London After Dark 13: A gang of ‘bloods’ who burst into the little foyer. [...] They were in full evening dress with white carnations, obviously in from Oxford or Cambridge for a mad night.
[US]J. Blake letter 21 Feb. Joint (1972) 205: All the Westchester bloods dress like this.
[Aus]Benjamin & Pearl Limericks Down Under 46: Making free with her tail / To the young bloods of Sale.
[NZ]A. Duff Jake’s Long Shadow 61: The more beer they drank, the more the younger bloods talked about fighting than anything else.

2. (also halfpenny blood, penny blood, penny blood and thunder, tuppenny blood) a cheap, sensationalist magazine aimed at the youth market, the precursor of 20C+ comics and the bloodier examples of computer game.

[[UK]Lantern (N.Y.) II. 67/2: Most, however, of these ‘blood, thunder, and whiskey articles’, are written by raw lads ].
[[UK]Lincs. Chron. 7 July 6/1: One of those penny blood and fire sensation novels which possess such charms for apprentices and sentimental milliners].
[Scot]Edinburgh Eve. News 3 Mar. 2/6: One night [he] was a reading a ‘penny blood and thunder’.
[UK]Derby Dly Teleg. 27 Sept. 4/1: The atrocious productions servved up hot and strong for the edification of the youth of this country. They are known in the trade as ‘Penny Bloods’.
[UK]London Dly News 13 Sept. 3/4: The ‘cigarette‘ youth and the ‘penny blood’ boy still exist, always will do so, I fear .
[UK]E. Pugh City Of The World 243: If [...] they are so lacking in all appreciation of literature that even the ha’penny ‘blood’ fails to attract them.
[UK]J.B. Priestley Good Companions 370: He’s been reading penny bloods.
[UK]R. Westerby Wide Boys Never Work (1938) 47: His reading consists of ‘bloods’ – lurid tales of murder and muscular violence.
[UK]J. Curtis They Drive by Night 91: Fragments of adventure stories that he had read in tu’penny bloods when he had been a little spiv in Kilburn raced through his mind.
[UK]C. Day Lewis Otterbury Incident 66: Whether it comes from reading all his own stock of Bloods, or what, I don’t know. But he’s got a delusion that he’s Sherlock Holmes.
[UK]J. Franklyn Cockney 164: There are ‘bloods’ published today, and Cockney boys still read them.

3. from the colour of blood.

(a) a wallflower.

[UK]J. Ware Passing Eng. of the Victorian Era.

(b) (US) ketchup, tomato sauce.

[US]R. Bolwell ‘College Sl. Words And Phrases’ in DN IV:iii 231: blood, n. Catsup.
[US]L.A. Times 22 Apr. III 22: ‘Please pass me the blood,’ a returned guardsman is apt to say, pointing to the catsup.
[US]H.W. Bentley ‘Linguistic Concoctions of the Soda Jerker’ in AS XI:1 42: blood. Ketchup.
[US]F. Eikel Jr ‘An Aggie Vocab. of Sl.’ in AS XXI:1 31: blood, n. Catsup.
[US]Monteleone Criminal Sl. (rev. edn).

(c) (US black) wine.

[[Aus]Bulletin (Sydney) 6 Nov. 2/1: The more unromantic of the company are busy taking large semi-circular bites out of huge sandwiches, washing down the same with pints of ‘Blood’].
[US] ‘Hepster’s Dict.’ Mad mag. June 20: blood – wine.
[US]Esquire Nov. 70H: blood: wine.
[US]R.G. Reisner Jazz Titans 151: blood: wine.
[US]B. Jackson Get Your Ass in the Water (1974) 89: I told him like I did every stud / that it wasn’t shit for me to drink two or three fifths a some real good blood.

4. (US campus) a perfect recitation.

[US]E.H. Babbitt ‘College Words and Phrases’ in DN II:i 23: blood, n. A perfect recitation.

5. (US Und.) a killer.

[US]G. Henderson Keys to Crookdom 410: One who kills, croak artist, a blood, bump-off guy.

SE in slang uses

In compounds

blood box (n.)

(Aus./US) an ambulance.

[US]Lieberman & Rhodes CB (2nd edn) 123: Blood Box — Ambulance.
[US] in Anita Pearl Dict. of Popular Sl.
[US]Bentley & Corbett Prison Sl. 104: Blood Box [...] An ambulance.
Registry of Ex-Military Land-Rovers (Aus.) 🌐 The R.A.A.M.C. Series 2A Ambulances served around Australia from 1963 to the early 1990’s [...] As an aside here, we should record the famed servicesmen’s nickname for the ambulance: ‘The Blood-box’.
blood bucket (n.) [var. on bloody bucket under bloody adj.]

1. (US) a notably tough saloon or bar.

[US]Northwestern Christian Advocate 64 1070: This building was formerly the old Hotel European and saloon, which was known in the days gone by as the ‘blood bucket’ of Chicago. but is now consecrated to God's service.
[US]‘Petronius’ N.Y. Unexp. 144: Keep away from Bowery bars. Slow motion falls and no blows. Some good blood buckets below 14th on Third Ave. and above 85th on Second and Third .
[US]Ebony June 108/3: [pic. caption] McTear likes to shoot pool at a neighborhood center (right). ‘I call it the Blood Bucket,’ says McTear, half in jest.
M. Bane Willie 56: Those [...] ’tonks [...] had names like Blood Bucket and The County Dump [HDAS].
[UK](con. WWII) T. Jones Heart of Oak 215: We called it [i.e. a pub] the ‘Blood Bucket’ because the outside walls of brick were painted bright scarlet, supposedly to hide bloodstains from the frequent fights.
[US]H.L. Richardson Devil’s Eye 210: He was seen drinking pretty heavy at the Lucky Dog Saloon, the town's leading blood-bucket.
[US]R. & L. Williams & J. Clark ‘Bar Band in Hillbilly Heaven’ 🎵 He’d been playing way too long / In a hundred blood bucket dives / He sang a thousand hillbilly songs / For drunk husbands and cheating wives.
[US]Juneau Empire Online (AK) 14 Oct. 🌐 The steering committee borrowed the idea of the coffee house and founded the first Glory Hole in the former Occidental Bar, nicknamed Blood Bucket because of its history of fights.

2. in attrib. uses of sense 1.

[US]Williams & Vinicur Still in Love with You 84: The ‘blood bucket’ circuit of roadside clubs throughout the rural South.
[US]B.F. Berkey Keys to Tulsa 121: He could hang out in a blood-bucket bar while his good buddy Ronnie shot and sold some felony narcotics.
[US]P. Carr Illus. Hist. Country Music 219: Williams was a scarred survivor of southern Alabama’s rowdy, blood-bucket honky tonks.

3. a theatre or cinema that specialises in extreme melodrama.

[UK]H.V. Morton (con. 19C) H. V. Morton’s London 403: Regular blood bucket it [i.e. the Old Vic theatre] was in them days. A couple of murders in every act, and dead baronets all over the stage, and the gallery trying to throw things at the villain .
[US](con. 1910s) R.D. Altick Of a Place and a Time 118: This was Lancaster’s blood bucket, specializing in cheap thrillers and serialized Westerns.
blood claat

see separate entries.

bloodhammer (n.)

the penis.

[UK]M. Manning Get Your Cock Out 6: The effete singer [...] pulled her face even further onto his bloodhammer, almost choking her.
bloodhole (n.)

(W.I.) the vagina; used as a negative intensifier.

[UK]N. Farki Countryman Karl Black 68: ‘Come on, baby. Let’s split this scene. [...] Gal, why the blood-hole you no come on?’ he shouted pulling the woman by the hand.
bloodhound (n.) [reverse anthropomorphism]

1. one who perjures themselves for money.

[UK]W. Perry London Guide 77: The perpetrators have twice double objects in view, viz. the commision of crime, the detection, the death of the culprit, and the payment for their villainy. Of these we shall hereafter speak, under their [...] most appropriate title of Blood hounds.
[UK]‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc. 12: Bloodhounds — those who for statutable rewards (now abrogated) or to extort money, accuse wrongfully innocent persons.

2. a policeman.

[Scot]W. Scott Heart of Mid-Lothian (1883) 347: The bloodhounds of the law were so close after me.
[Scot](con. early 17C) W. Scott Fortunes of Nigel III 17: If you would give the blood-hounds the slip, why, you may.
[UK]J. Lindridge Sixteen-String Jack 367: Are the bloodhounds of the law again upon my track?
[UK]H. Kingsley Hillyars and Burtons (1870) 101: Here were five of these accursed bloodhounds [...] five policemen.
[Aus]H. Nisbet Bushranger’s Sweetheart 81: Wonderful bloodhounds these detectives are!
[Aus]‘Henry Handel Richardson’ Aus. Felix (1971) 10: The ‘bloodhounds’ had begun to track their prey.
[US]D. Hammett ‘Dead Yellow Women’ Story Omnibus (1966) 167: If it pleases the Grandfather of Bloodhounds to flatter Chang Li Chang.
[UK]M. Marshall Tramp-Royal on the Toby 195: A couple of splits, two blinking bloodhounds of the blooming Law, were hot on my trail!
[US]Monteleone Criminal Sl. (rev. edn) 26: bloodhound A detective.
[US]‘Toney Betts’ Across the Board 64: The TRPB bloodhounds had a suspicion Lamont was a gambler.
[UK]A.E. Farrell Vengeance 87: Sergeant Harris and his bloodhound, Charlie Warrior.
blood house (n.)

1. (Aus./N.Z.) a public house with a reputation for violence.

[Aus]Newsletter (Sydney) 13 OCt. 11: But one of these men appears to be losing his head, and the miners now call his hotel ‘The Blood House’.
[Aus]Sun. Times (Perth) 18 Aug. 1/1: The pub of a horse-owning bung could do with more police visits [...] last week blasphemy and bottles new in abundance [and] directly and indirectly this blood-house keeps the P.M. from accumulating cobwebs.
[Aus]E. Dyson ‘On a Bender’ in Benno and Some of the Push 80: That ginger pot-polisher’s bin through all the blood-’ouses in town.
[Aus]K. Tennant Joyful Condemned 371: Why, David, you old boob rat! [...] What you doing in this blood-house?
[Aus]T. Ronan Only a Short Walk 3: Some sort of pub or lodgin’ house – not a silvertail joint, but not a bloodhouse, either.
[Aus](con. 1941) R. Beilby Gunner 128: I’ve hauled you out of every boozer and blood house from here to Perth.
[Aus]V. Darroch On Coast 134: Blood House: One of several public houses of low repute.
[Aus]P. Corris ‘Marriages Are Made in Heaven’ in Heroin Annie [e-book] ‘There was a pub he used to call his local. [...] The Wattletree, know it?’ ‘I know it. A bloodhouse’.
[Aus]M.B. ‘Chopper’ Read Chopper From The Inside 26: Back in 1987 Bojangles was the biggest bloodhouse in Melbourne.
[Aus]J.D. McLaren Not in Tranquility 71: Carmichael’s, a blood house at the river end of town.

2. in ext. use, any very tough place.

[Aus]M.B. ‘Chopper’ Read Chopper 4 143: I did 10 ½ years in ‘H’ [i.e. the high-security division of Pentridge prison], the so-called blood house of the system.
[Aus]B. Matthews Intractable [ebook] Grafton continued as the New South Wales bloodhouse for intractable prisoners.
[US]G. Hayward Corruption Officer [ebk] cap. 40: I heard that they jumped him and killed him when he was trying to take over the phones - ya’ know that was a blood house.
bloodnut (n.)

(Aus.) nickname for a red-headed man.

[Aus]R.G. Barrett Boys from Binjiwunyawunya 97: That’s the way we work, bloodnut. If you don’t like it — stiff shit.
[Aus]M. Coleman Fatty 41: Tradition would dictate it [Vautin’s nickname] should have been Bluey, or Bloodnut or Ginger, but Fred Jones had never been a traditionalist.
blood-red fancy (n.) [SE blood-red + fancy handkerchief]

a crimson handkerchief, as worn by costermongers.

[UK]W.A. Miles Poverty, Mendicity and Crime; Report 115: The new term for handkerchiefs is a Billy, for which pickpockets have peculiar terms known only in the trade. blood red fancy, all red.
[UK]G.W.M. Reynolds Mysteries of London III 85/1: Six snooze-cases, three narps, and a blood red fancy .
[UK]‘Ducange Anglicus’ Vulgar Tongue.
[UK]Hotten Sl. Dict.
[UK]Sl. Dict.
[Aus]Sydney Sl. Dict. (2 edn) 1: Blooded [sic] Fancy - Red-silk pocket-handkerchief.
Southern Echo 11 Aug. 2/2: To-day [...] the ‘Blood-red Fancy’ is a red handkerchief.
blood spitter (n.)

a cigarette.

[UK](con. WW1) P. MacDonald Patrol 164: ‘I got four blood-spitters an’ ’bout a halfounce o’ twist’.
[Scot]Blackwood’s Mag. 241 357/2: ‘Have a blood-spitter, sir?’ One of the cavaliers offered me his cigarette case with evident friendliness.
blood sports (n.)

performing cunnilingus on a woman who is menstruating.

Probert Encyc. 🌐 Blood sports is slang for performing cunnilingus on a menstruating woman.
blood tub (n.) [the Blood Tubs, a Baltimore street gang, who allegedly earned their name from having ‘on an election day, dipped an obnoxious German’s head in a tub of warm blood, and then sent him running through the town’ (Farmer, Americanisms Old New, 1889)]

1. a thug, a tough, a street gangster; thus blood-tubism, thuggery.

[US]Glasgow Wkly Times (MO) 29 Apr. 1/6: Roderiego the Blood-Tub is on thy track, beware, beware!
[UK]C. Mackay Life & Liberty in America 106: The streets of London where a ‘Plug-ugly,’' a ‘Dead Rabbit,’ or a ‘Blood-tub’ would stand no chance against the police.
[US]‘Song of the Irish Legion’ in Bartlett Dict. Americanisms (1877) 48: Blood-tubs and plug-uglies, and others galore, / Are sick for a thrashing in sweet Baltimore; / Be jabers! That same I’d be proud to inform / Of the terrible force of an Irishman’s arm.
[UK]Vanity Fair 4 May 209/2: The five ‘pious’ young humbugs who had the impudence to represent Plug Ugly-ism and Blood Tub-ism the other day,.
[US]H.C. Bradsby Hist. of Bureau Co., Il 341: He who imagines the ‘blood tub’ element has been eliminated from among men can undeceive himself by a little observation.
[US]Jrnl Speculative Philosophy 20 43: He is a rough, a blood-tub, a bummer, and a tough cuss all around.
[US]Executive Documents of the State of Minnesota 174: The best men and women [...] shun the poisonous ‘Billy-the-Blood-Tub’ literature almost everywhere offered for sale].

2. a theatre presenting lurid melodrama; popularized by its use as a nickname for the Coburg Theatre, South London (now The Old Vic), which specialised in such material.

[UK]A. Bennett Clayhanger (1925) 155: The Bulgarian Atrocities had served to give new life to all penny gaffs and blood-tubs .
[UK]D.H. Lawrence White Peacock (1997) 74: They sat openmouthed in the theatre, gloriously nicknamed the ‘Blood-Tub,’ watching heroes die with much writhing.
[UK]Times 25 Apr. 16/2: In its 145 years of life [...] making successive come-backs as a burlesque house, a home of melodrama, a notorious blood-tub, and a centre of moral uplift.
[UK](con. early 20C) B.I. Payne A Life in a Wooden O 102: He was the genial owner of the Queen's Theatre, the blood-tub.
L.S. Clifton (con. mid-19C) Terrible Fitzball 43: The Coburg, known as ‘The Blood Tub’ [...] indicates what type of entertainment appeared the most popular.
[UK](con. 1880) P. Ackroyd Dan Leno and the Limehouse Golem 204: Acting as if he were in a blood tub off the Old Kent Road.

3. in attrib. use of sense 1.

[US]Dodge City Times (KS) 29 Nov. 1/4: There is too much [...] pistol shooting and general blood-tub devilry in Kansas City, [...] the rowdies must be cleared out.
[US]Mount Tom mag. 7 576: All the typographical trappings of a blood-tub dime novel.
[US]Smart Set 37 158/1: One day, in sore straits, he is tempted to write a blood tub melodrama.

4. fig., a dangerous place or situation.

[UK](con. WWI) F. Richards Old Soldiers Never Die (1964) 222: We were [...] getting all the enjoyment we could before going back to the blood-tub [i.e. the front line].
blood wagon (n.)

an ambulance; orig. used of an air ambulance.

[[US](ref. 1919-20) US Naval Medical Bull. 340: The adaptation of the airplane itself to accommodate the ordinary stretcher was carried out during the Somaliland expedition of 1919-20, when a machine, known among the troops as the ‘blood-wagon,’ was altered so as to take one stretcher ].
[UK]J.A. Mollison Playboy of the Air 69: The futile hurry of fire engines and the blood wagon, as the ambulance is dubbed.
[UK]Hunt & Pringle Service Sl.
[UK](con. WWII) P. Elstob Warriors for Working Day 77: ‘Get the blood wagon over here as quick as you can. Out.’ The ambulance had never been called ‘the blood wagon’ on schemes.
[UK]J. Leasor Passport to Peril (1980) 15: I’ll ski on down and fetch the blood wagon. Is he very badly hurt?
[UK]P. Scott Division of Spoils 79: Perhaps a couple of the fellows outside will help me get him on to the bed while you ring for the blood-wagon?
Probert Encyc. 🌐 Blood wagon is slang for an ambulance.
[UK]R. Bush Heil, Heil Rock ’n’ Roll 195: I think he’s a goner mate; I can’t feel a thing. Where’s the nearest phone, we need a blood wagon here fast.
[UK]M. Carter Perfect Mate 44: This was the guy who’d laughed in the blood wagon when Jack's guts were on display.
blood-worm (n.) [its main ingredient and its appearance]

a sausage, esp. a black pudding.

[UK]Hotten Dict. of Modern Sl. etc.
[UK]J. Hollingshead Ragged London 19: A place called Sharp’s Alley was once famous for making common sausages of refuse meat, known in the slang of the district as ‘bloodworms’.
[UK]Hotten Sl. Dict.
[UK]Farmer & Henley Sl. and Its Analogues.
[UK]J. Ware Passing Eng. of the Victorian Era 35/2: Bloodworms (London 19 cent.). Sausages in general, but a black pudding of boiled hog’s blood in particular.
[UK]Michael Moorcock in Sinclair London: City of Disapearances 183: The New Moon and Stars [...] is notable for its ‘blood worms’ – the black sausages that are still sold, on request.

In phrases

blood in, blood out

(US Und.) a ritual phr. meaning that to join a prison or street gang you must kill, and you may leave it (other than finishing your sentence) only by being killed yourself.

[US]Asssoc. Press 1 Jan. [press bulletin] Law officials investigating the case said, ‘It’s a blood in, blood out organization. . . . You've got to spill someone's blood to get in’.
[US]A. Mirandé Chicano Experience 86: There’s no retirement from the Mexican Mafia [...] It’s a blood in, blood out organization.
[US]M. Palmiotto (ed.) Critical Issues in Criminal Investigation 121: The slogan of the gang is ‘Blood in, Blood out’ meaning that a brother must spill someone's blood coming into the Brotherhood and his blood will, in turn, be spilled if he attempts to leave the organization.
[US]Bentley & Corbett Prison Sl. 41: Blood In, Blood Out An expression which means only those who take a life can be a member of a particular gang and the only way to leave the gang is to be killed.
[UK]T. Fontana and B. Winters ‘Unnatural Disasters’ Oz ser. 3 ep. 4 [TV script] Blood in blood out, Alvarez. You made a pledge.
[US]DMX ‘Damien’ 🎵 But we gotta stay friends, blood out, blood in.
[US]Texas Lawyer [journal] Gloss. of Texas Prison Sl. 8 Feb. n.p.: Blood-In, Blood-Out – Term for the requirement of performing some task for a gang (such as carrying contraband, hurting or killing someone) to gain admission into the gang, and the requirement to perform a similar act to get out of the gang. A gang member who attempts to get out of the gang without following the blood-out requirement will have a hit placed on him by the gang.
[US]K. Wild Firefight 224: ‘Blood in, blood out.’ [...] It was gang talk. The rules went like this: You had to shed someone else’s blood to get in, but if you wanted to leave, it’d be your own blood you'd be shedding.
[US]P. Beatty Sellout (2016) 13: Blood in, blood out . . . Minuo in, minuo sicco.
blood on the moon (n.)

(Aus.) a state of anger, antagonism.

[Aus]Sydney Sportsman (Surry Hills, NSW) 28 Aug. 1/6: From the word ‘go’ it was obvious that there was ‘blood on the moon’ and [...] feathers began to fly.
[US]S. Walker Night Club Era 24: There was, clearly, blood on the moon. Something ominous was in the air.
sweat blood (v.)

1. to work very hard.

[UK]G. Stratton-Porter Harvester (2015) 405: He just sweat blood to pacify her, but he couldn’t make it .
R. Charles Brother Ray 265: A dollar means a hell of a lot more when you got to sweat a little blood for it.

2. to be terrified.

[UK]D.H. Lawrence in Magnus Memoirs Foreign Legion 53: I sweat blood every time anybody comes through the door .
[US]N. Mailer Naked and Dead 293: There was a couple of days [...] I was sweating blood.
tired blood (n.) [an advertising slogan for a tonic, which promised to combat the condition]

(US) a condition of listlessness.

[US]Atlanta Journal-Constitution 23 Sept. 🌐 Thanks to advertisements for the once-popular tonic Geritol, most people of a certain age know about ‘tired blood,’ a disorder more accurately called anemia, involving a shortage of healthy red blood cells to carry oxygen to body tissues and cleanse them of carbon dioxide.

In exclamations

blood and ’ounds!

see separate entry.