Green’s Dictionary of Slang

gee (up) v.

[SE gee up, to urge a horse forward]

1. (also gee along, gee over) to encourage, to persuade, to incite, esp. when working as a showman’s or market-trader’s assistant.

[[UK]Bridges Burlesque Homer (3rd edn) 338: She gave her tits a smack, / And pull’d the reins to keep ’em back, / But all the while they turn’d ’em, she / Kept crying Gee, plague rot ye, gee!].
[US]C.H. Smith Bill Arp 151: Sumner and Satin and [...] other like gentlemen who keep hollerin at him and crackin his whip and confusin his idees, so that sometimes we don’t know whether he’s gee-in or haw-in.
[Aus]Bulletin (Sydney) 27 Jan. 14/2: Wondering how they would greet each other, I gently touched the cockroach’s near-side feeler with a twig and luckily gee-d him over straight for the spider.
[Aus]Stephens & O’Brien Materials for a Dict. of Aus. Sl. [unpub. ms.] 78: To gee up the customers or mugs, to encourage or start to buy or bet.
[NZ]Truth (Wellington) 21 July 1: Pure-Boy Bligh has denied on the platform that he is ‘geeing’ for the doctors. Anyhow, the doctors are geeing for Bligh [DNZE].
[UK]‘Leslie Charteris’ Enter the Saint 20: We were geeing him along very nicely [...] and we’d let him take fifty off us.
[UK]J. Curtis Gilt Kid 231: He could flash a few oncers before her eyes if he wanted to gee her up.
[Aus]K. Tennant Battlers 141: I’m geeing for him, and I’ll fix it.
[UK]F. Norman in Encounter Nov. in Norman’s London (1969) 49: Before I knew what had happened they had geed me up into writing an article.
[UK]F. Norman Too Many Crooks Spoil the Caper 66: She was geeing herself up for a big over-acted scene.
[UK]T. Lewis GBH 66: Of course it was academic, just part of a general geeing up process in our mind games.
[Aus]M. Coleman Fatty 50: We’d gee each other up when things got tough.
[UK]K. Sampson Powder 344: He eyed the tall, slender, painted gargoyle and swallowed hard, geeing himself up.
[UK]N. ‘Razor’ Smith Raiders 18: Cracking jokes, telling stories and generally geeing the two trainee turnkeys up.

2. to act as an agent provocateur, esp. when using entrapment for sexual crimes.

[UK]E. Blair ‘Clink’ in Complete Works X (1998) 256: Detective Smith knows how to gee; / Tell him he’s a cunt from me.
[UK]Thieves Slang ms list from District Police Training Centre, Ryton-on-Dunsmore, Warwicks 5: Tell lies.

3. to provoke trouble deliberately, to tease maliciously, to deceive; thus geed up, furious, very angry.

[UK]J. Curtis Gilt Kid 243: ‘You may be a bargainer, Ken, but you can’t gee me up all that.’ ‘Who said I was geeing?’.
[UK]J. Curtis Look Long Upon a Monkey 29: You had to give him one of the real reasons you wanted him and gee him up at the same time.
[Ire](con. 1940s) B. Behan Borstal Boy 201: Only geeing you, Paddy.
[Aus] ‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxv 6/1: gee up: To kid a person along to make an ass of him.
[UK]A. Payne ‘Get Daley!’ Minder [TV script] 19: Are you geeing me up, you long-haired animal?
[Aus]B. Ellem Doing Time 190: gee: to set someone up in a joking way, to have him on.
[Aus]Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Gee. To tease or mislead. It is a common expression in prison that ‘if you can be geed you can be fucked’, that is to say, unless you keep your wits about you, you are vulnerable. [Ibid.] Gee-up. To incite or provoke someone to action.

4. (orig. UK prison) to inform (against a fellow prisoner).

[Scot](con. 1940s) G. Stewart Leveller 91: ‘Bob, for Christ’s sake, Green’s a security walloper,’ I gee’d.
[UK] in R. Graef Living Dangerously 178: Certain people have started to gee (grass) on their friends.

5. to give up, to surrender [may be SE give up, to hand over].

[UK]C. Newland Scholar 143: How I know you won’t gee me up to de Rads dem?

In derivatives

geer (n.)

(Aus.) a racecourse tout, one who encourages bettors.

[Aus]Sydney Sportsman (Surry Hills, NSW)7 Jan. 1/1: The immediate connections, hangers-on and ‘geers’ [...] have been squealing [...] because the market price was not long enough.