Green’s Dictionary of Slang

bog n.1

also bogs
[abbr. boghouse n.; ‘a low word, scarcely found in literature, however common in coarse colloquial language’ (OED)]

1. (also bogger) a lavatory.

in J. Howard Lazarettos (1789) 181: Hospital Regulations: III. That no dirt, bones, or rags, be thrown out of any window, or down the bogs.
[UK]‘A Pembrochian’ Gradus ad Cantabrigiam 23: The public Bogs belonging to the several colleges [...] are well worthy the inspection of the curious. Persons of sense and taste will be charmed with the sweetest sonnets, and other extemporaneous effusions, which have been vented with ease — the poet sitting all the while, like an oracle on a tripod, and not able to contain himself.
C.M. Westmacott London Spy I 310: On what dread perils does the youth adventure / Who dartes within the fellows’ Bog to enter.
[UK]Satirist (London) 19 Feb. 60/3: [I]n whatever sense the word ‘bog’ may here be understood, whether as the cesspool of nature, or of man, it most accurately expresses Mister Croker’s employment.
[US]B.H. Hall College Words (rev. edn) 32: bogs. Among English Cantabs, a privy.
[UK]Hotten Dict. of Modern Sl. etc. (2nd edn) 100: Bog, or bog-house a water-closet.
[UK]Sl. Dict.
[UK] ‘Mobile’ in Bold (1979) 139: There’s no paper in the bogs so they wait until it clogs.
[US] in E. Cray Erotic Muse (1992) 51: There’s no paper in the bogs in Kansas.
[UK]K. Amis letter 13 Dec. in Leader (2000) 105: They piss in the bogs where an odour of vomit clings.
[UK]W. Hall Long and the Short and the Tall Act I: The congregation will rise and sing the hymn that’s hanging up behind the door of the bog.
[UK]T. Keyes All Night Stand 58: No wonder these ship bogs smell so much.
[Aus]Woroni (Canberra) 4 Jun. 12/1: I have the deepest concern for the tens of thousands of Canberra residents who live in daily fear of having to resort to Garema Place toilets because their bog’s been confiscated by the Government.
[UK]B.S. Johnson All Bull 31: He came downstairs one night and said that his bog was blocked.
[UK]A. Bleasdale Scully 36: I wrapped it up in a bit of bog paper.
[UK]T. Lewis GBH 261: He’s been chucking up in the bog.
[UK]P. Theroux London Embassy 70: They smoke marijuana in the bogs.
[Aus]Woroni (Canberra) 13 Mar. 2/3: I’m sitting here on the union bog nearly chucking my guts!
[US]S. King It (1987) 625: There went a minimum of ten thousand pounds, right down the bog.
[UK]H. Kureishi Buddha of Suburbia 14: I have to go to the bog!
[UK]J. Hoskison Inside 138: Jesus, have you seen the bogs?
[UK]N. Cohn Yes We Have No 318: They couldn’t lead themselves to the bog.
[UK]J. Baker Chinese Girl (2001) 147: Working-class shams [...] originally with an outside bog.
[UK]G. Malkani Londonstani (2007) 177: Hardjit’s on the bog.
[UK]Eve. Standard (London) 18 July 15/4: ‘I’m on the bog’ [...] more than half of smartphone users now take their phones to the loo.
[Aus]N. Cummins Adventures of the Honey Badger [ebook] She follows suit, somewhat confused by my unsheathed seating position on the bogger.

2. (Aus.) an act of defecation.

[Aus](con. WWI) L. Mann Flesh in Armour 287: ‘Where’s the sergeant, corporal?’ [...] ‘Gone for a bog,’ said someone’.
[Aus]Woroni (Canberra) 21 Mar. 3/6: ED HIGHLEY and SAM LAKE both spent an enjoyable vacation making and observing ‘bogs’ for the C.S.I.R.O.
[Aus]Canberra Times (ACT) 22 May 13/1: Academic exchange, serious discussions about freedom of speech and useful databases co-exist with texts of abuse, pornographic pictures and access to ‘sites’ such as ‘Catch Me While I’m Having a Bog’.
[Aus]Woroni (Canberra) 1 Apr. 19/2: While traversing Copland as I busily went about missing lectures one day, I decided to take a moment out, and retire to the loo for a bog.

3. (Aus.) excrement.

[Aus]N. Cummins Adventures of the Honey Badger [ebook] Everything works for this bloke. [...] Dead-set, he could put his hand in a drum of gorilla bog and pull out a diamond.

4. (Aus.) filler used for automobile bodywork repairs.

[Aus]D. Whish-Wilson I Am Already Dead 27: He worked fast and clean [...] to thin the bog without drawing it from the divots and scratches.

In compounds

bog bio (n.) (also (bog) menu )

(N.Z. gay) a personal description or advertisement as found in a public lavatory.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 62: Towns with more than one public toilet normally have at least one working bog, identified by personal descriptions or advertisements (bog bios or menus) written on walls.
bogblocker (n.) [SE blocker; the image is of some obstruction, prob. faecal, blocking a lavatory]

a general term to denote anything particularly unpleasant.

M. O’C. Clarke ‘I Love Me’ I 13 Mar. on Blogspot 🌐 Not only do the blighters start force feeding me with those bog blocker large format ads.
bogbrush (n.)

see separate entry.

bog catchers (n.)

(Aus.) underwear.

[Aus]N. Cummins Tales of the Honey Badger [ebook] It’s tough to balance on a palm tree four metres above razor sharp coral at the best of times, let alone when trying to pull your bog catchers on in a hurry.
boghouse (n.)

see separate entry.

bog queen (n.) [-queen sfx (2)]

(UK gay) a gay man who frequents public toilets for sex.

[US]Gaymart.com Queer Sl. in the Gay 90s 🌐 Bog Queen – A gay man who frequents public toilets for sex.
[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 65: In New Zealand a bog queen was a man who frequently cruised public toilets for sex.
bogroll (n.)

lavatory paper.

[UK]A. Payne ‘Willesden Suite’ Minder [TV script] 10: Humping bog rolls round the tradesman’s entrance.
[UK]N. Barlay Curvy Lovebox 164: Just livin’ it [i.e. one’s life]. Beer bogroll bed.
[UK]N. Griffiths Grits 225: Foldin the bog roll over the shitty part after yuv wiped once so you can av another clean surface.
[UK]Guardian 6 July 42/2: A packet of frozen peas and some bogroll.
bog trade (n.)

(N.Z. gay) soliciting in public lavatories.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 61: The bog trade refers to soliciting for sex in public toilets.
bog wash (n.)

(UK juv.) an initiation rite whereby the victim has their head pushed into a lavatory pan which is then flushed.

OnLine Dict. of Playground Sl. 🌐 bogwash n. initiation rite. Newbies would be grabbed if they strayed in or too near the toilets then dragged to a cubicle, their head forced into the pan.... while it was flushed.
working bog (n.)

(N.Z. gay) a lavatory where homosexuals solicit for sex.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 62: Towns with more than one public toilet normally have at least one working bog, identified by personal descriptions or advertisements (bog bios or menus) written on walls.

In phrases

do the bogs (v.)

(N.Z. gay) to work as a male prostitute who solicits paying encounters in a public lavatory.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 62: If one is looking for sex, one is doing the bogs.
make a bog of (v.)

to make a mess of.

E. Newby Short Walk in the Hindu Kush (1981) 187: If we make a bog of it the first time [...] the men will give up.
W. Trevor Elizabeth Alone 257: You’d made a bog of it because it wasn’t worth making anything else of it.
J. Clavell Noble House 266: Any time you need a champion, send for me [...] I’ll probably make a bog of it but never mind.
work the bogs (v.)

(N.Z. gay) to work as a male prostitute who solicits paying encounters in a public lavatory.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 62: If one is seeking money [i.e. in a public lavatory], one is generally working the bogs.