Green’s Dictionary of Slang

goer n.

[go v. (1b)]

1. an enthusiastic if not always competent amateur.

[Aus]Sun. Times (Perth) 27 Mar. 6/2: Lady Constance, according to all accounts, is a bit of a goer. She thinks nothing of being the only woman in a shooting party travelling through Asia after big game.
[Aus]Queenslander (Brisbane) 10 Jan. 10/5: In his day ‘Smacker’ McCarthy had been a ‘goer’.
[Aus]Western Mail (Perth) 6 Dec. 18/2: Right oh, Joe. Don’t forget you’re a goer today.
[UK]Partridge DSUE (8th edn) 481/2: C.20.

2. a flirt.

[Aus]J. Gunn We of the Never-Never (1962) 3: The Katherine was [...] inclined to ‘reckon the missus a goer,’ and that public sympathy was with the stockman.
[Aus]Bulletin (Sydney) 26 Sept. 5/2: I suppose she’ll be marrying into our set, / And then we shall all have to know her. / She’s decent, I’m told, though a vulgar coquette – / The sort that the men call a ‘goer’.
[UK]T. Burke Limehouse Nights 213: ‘My word, she’s a little goer, eh?’ ‘You’re right. At that age, too! Fast little cat.’.

3. a promiscuous, sexually available woman.

Egan Grose’s Class Dict. n.p.: She’s a develish [sic] good piece, a hell of a goer.
[UK]‘John Thomas & Peggy Perkins’ in Flash Olio in Spedding & Watt (eds) Bawdy Songbooks (2011) III 186: They made John Thomas dress himself, and show’d him to the door, / And then they call’d poor Peggy Perkins nothing but — a goer.
[US]S. Lewis Main Street (1921) 312: You know this new dressmaker [...] swell dame with blondine hair? Well, she’s a pretty good goer.
[UK](con. 1914–18) ‘My Nelly’ Brophy & Partridge Songs and Sl. of the British Soldier 79: My Nelly’s a goer / She’s got such wonderful eyes of blue.
[UK]P. Willmott Adolescent Boys of East London (1969) 56: A banger’s a goer – a girl who’ll do anything with anyone.
[UK]M. Amis London Fields 353: The dog in the office in the touching romantic comedy: take her glasses off and she’s a goer.
[UK]G. Burn Happy Like Murderers 109: Rena was a goer. A wild woman when she wanted to be.
[UK]N. Griffiths Grits 92: Mairead, now, shiz a right fuckin slapper she is; fit, like, but a right fuckin goer.
[UK]Guardian Weekend 7 Aug. 46/3: My parents’ pal [...] clearly thought that it meant that I was, to use his antedeluvian vernacular, a ‘goer’.
[Aus]L. Redhead Cherry Pie [ebook] ‘You know she gets all her information from rooting people? Bit of a goer’.
[UK]I. Welsh Decent Ride 178: A total goer and a tidy ride.

4. something that is guaranteed to work out.

[UK]N. ‘Razor’ Smith Raiders 9: His instincts said this was a goer.

In phrases

straight goer (n.) [straight adj.1 (8) ]

(orig. Aus.) an honest, dependable person.

[Aus]Dead Bird (Sydney) 18 Jan. 5/1: Will can beat the whole push at ‘crib,’ but he’s the straightest goer in the place and ‘pegs’ along merrily.
[Aus]Sydney Sportsman (Surry Hills, NSW) 24 Oct. 1/1: It looks as if the A.J.C. will yet be yarded into the pen of straight-goers or blown out altogether.
[Aus]Gadfly (Adelaide) 5 Dec. 821/2: I christened ’im George Reid ’cos he’s a straight-goer. He’s as straight as a die, an’ a true frien’.
[Aus](con. 1830s–60s) ‘Miles Franklin’ All That Swagger 53: Straight goers among men [...] nevertheless don’t care how crooked they are with a woman whin another takes their eye.
[UK]J. Hoskison Inside 45: They’ll have already sussed you as a straight goer.
[UK]J.J. Connolly Layer Cake 29: My old man [...] was a straight-goer all his fuckin life.
[UK]N. ‘Razor’ Smith Raiders 136: A straight-goer turned attempted murderer who we called Biggles.
[UK]J.J. Connolly Viva La Madness 21: Roy dresses like a slightly deranged golf pro, a straight-goer.