Green’s Dictionary of Slang

up prep.

1. having sexual relations with.

‘Whigs Exaltation’ in N. Thompson Choice Collection of 120 Loyal Songs 4: We’ll make their plump young Daughters fall, / And Hey Boys up go we.
[UK]‘The Gape-Hole’ in Funny Songster in Spedding & Watt (eds) Bawdy Songbooks (2011) III 47: It’s all up, says Ni[c]k: / You lie, says Dick, / I’ll have nother run.
[UK]Crim.-Con. Gaz. 6 Apr. 111/1: ‘Is your mistress up yet?’ asked the Beau of Sam. ‘Not yet,’ rejoined the Baron, ‘but I am’.
[UK]‘Walter’ My Secret Life (1966) I 196: How well they understand the nature and wants of the man who is up them.
[Aus](con. 1940s–60s) Hogbotel & ffuckes ‘Marriage a La Mode’ in Snatches and Lays 16: All day long he’s up lamp-posts, up lamp-posts, / And when he’s at home he’s up me.
[Aus]M.B. ‘Chopper’ Read How to Shoot Friends 119: Half the jail was up the husband, so it was only fair that I got the wife.

2. of an object, offered, put in place.

[US]‘Hugh McHugh’ Down the Line 22: In a minute my fiver was up and I was on the card to win $500.

3. at, e.g. up the market; occas. as adv., e.g. cit. 1938.

[Aus]X. Herbert Capricornia (1939) 126: Heard you’s up.
[UK]F. Norman in Bristol Eve. Post 27 Nov. in Norman’s London (1969) 43: I was up the shpieler one night when the law raided the gaff.
[US]P. Thomas Down These Mean Streets (1970) 7: What a kid [...] He probably was up some friend’s house. I’m gonna talk to him in the daytime. It’s too late to make noise now.
[UK]J. Cameron Vinnie Got Blown Away 6: Want someone extra up Chingford.
[UK]N. Barlay Hooky Gear 297: Went up the Gatehouse in Edmonton for a 70s nite.

In phrases

up each other (adj.)

(Aus.) indulging in mutual flattery.

[Aus]Macquarie Dict. [Internet] 5. up each other or up one another, behaving in a sycophantic or toadying fashion to each other.
up her like a rat up a drain(pipe) (also ...up a rhododendron)(orig. Aus.)

1. immediately involved in sexual intercourse, based on the assumption that a woman will be freely, easily and speedily sexually available to the speaker.

G. Mill Nobody Dies But Me (2003) 93: ‘You rooting yours already?’ ‘Course I am. [...] Up her like a rat up a drainpipe, kid.’.
[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 27: Up her like a rat up a drainpipe. [Ibid.] 33: I could be up that like a rat up a drain. [Ibid.] 93: I’ll be up her like a rat up a rhododendron.
[Aus]D. Ireland Glass Canoe (1982) 197: So the five of us were in it like rats up a drainpipe.
Society of the Rusting Tardis Newsletter 22 Oct. [Internet] Martin’s glassy-eyed mutterings about his new-found girlfriend (‘I’d be up her like a rat up a drain.’).

2. (also like a rat down a drainpipe) in non-sexual contexts, suggesting speed.

flazoom-com 29 Dec. [Internet] Of course when it comes to downloads those pages will be quicker than a rat up a drain pipe. But then that’s what usability ‘experts’ (read ‘fanatics’) want. Speed no matter how drab and innocuous.
[Aus]N. Cummins Tales of the Honey Badger [ebook] Like a rat down a drainpipe he was there.
up it (adj.)

highly emotional, at the end of one’s tether.

[UK](con. WW1) P. MacDonald Patrol 52: ‘He’s up it! Topper didn’t oughter argue wiv ’im; ’e’ll go pop’.
up one’s bum to the neck (adj.) [image of auto-sodomy]

(N.Z.) self-important.

[NZ]McGill Reed Dict. of N.Z. Sl. 222: up your bum to the neck Said of somebody with high regard for self.
up oneself (adj.) [image of auto-sodomy]

1. (orig. Aus.) arrogant, self-satisfied, full of oneself.

[Aus]T. Winton Human Torpedo 12: You’re full of wind, youse blokes. City boys’re up ’emselves.
[UK]Indep. on Sun. Real Life 7 Nov. 3: The majority of girls we meet are so far up themselves that they can’t see daylight, or they’re so thick it’s scary.
[Ire]P. Howard Curious Incident of the Dog in the Nightdress 66: It’ll stop him getting too up himself.
[Aus]S. Maloney Sucked In 84: He thought I was an over-educated, up-myself nancy boy.
[Aus]L. Redhead Thrill City [ebook] I was a skanky yet up myself bogan stripper-princess [...] fully aware of my sexual power.

2. attrib. use of sense 1.

[UK]G. Malkani Londonstani (2007) 236: Stop acting like one of those up-themselves coconuts.
who’s up who (and who’s paying the rent)?

(Aus.) phr./ inquiring as to the sexual and montary underpinnings of a situation.

S. Baker Aus. Lang (2 edn) 172: who’s up who (and who’s paying the rent)? Just what is happening? Who’s in Control?
[Aus]F.J. Hardy Outcasts of Foolgarah 5: Nine to five [...] humble, lick-spittling, yes-sirring, but quick to learn the ins and outs of the who’s up who in the rule ridden dung-heap of local government.
[Aus]R. Beckett Dinkum Aussie Dict. 54: Up who: Short form of ‘who’s up who and who’s paying the rent?’ An expression of general bewilderment in a bewildering situation; one where no one is in control and matters are entirely out of hand.
[Aus]M. Latham Latham Diaries 187: He’s not interested in the small talk of Labor politics – who’s up whom, who’s rooting his secretary and all that.
wouldn’t know if someone/something was up one

(Aus.) a phr. used of a very stupid person, usu. a woman, as she wouldn’t know if someone was up her.

G. Mill Nobody Dies But Me 70: He’s so wet he wouldn’t know if you were up him unless you coughed.
Beresford & Humphries Adventures of Barry McKenzie [film] Those dozey bastards down at Oz House wouldn’t know if a tram was up ’em till the bell rang.
[Aus] R. Beckett Dinkum Aussie Dict. 57: wouldn’t know if a band were up him until he got the drum.
[NZ]McGill Reed Dict. of N.Z. Sl. 234: wouldn’t know the postie was up her unless he blew his whistle.

In exclamations

up a flume!

(US) a dismissive, insulting excl.

[UK]F. Whymper Travel and Adventure in Alaska 310: Listen to a quarrel in the streets: one calls the other a ‘regular dead beat!’ at which he, in return, threatens to ‘put a head on him!’ whereupon the first sneeringly retorts, ‘up a flume,’ the equivalent of a vulgar cockney’s ‘over the left.’.
up your arse!/jumper!

see separate entries.