Green’s Dictionary of Slang

ginch n.

[ety. unknown, but note dial. ginch, a small piece]

1. an attractive woman, esp. when seen as a sex object.

[US] ‘Agric. College Sl. in S. Dakota’ AS XI:3 280/1: Ginch Any girl.
[US]Goldin et al. DAUL 81/1: Ginch. (’A piece of ginch’) 1. Prostitutes; loose women.
[UK]Taunton Courier 23 July 3/6: American slang [...] I dream of a not too hinkty ginch [...] But no geets, no zooly.
[US]T. Wolfe Electric Kool-Aid Acid Test (1969) 112: The unquenchable Hagen of the Screw Shack prowls the Stampede for ginch ahoof.
[US](con. 1950s) H. Junker ‘The Fifties’ in Eisen Age of Rock 2 (1970) 102: But mostly the eternal search for a little [...] ginch.
[UK](con. 1960) P. Theroux My Secret Hist. (1990) 177: Just stay here until it gets dark. Then get some ginch.
[US](con. early 1950s) J. Ellroy L.A. Confidential 154: They’re gonna burn for that Mexican ginch.
C. Nova Trombone (2002) 31: I guess Dean Gollancz has got himself another piece of ginch somewhere. Sounds like she’s left him flat, too.
[US]J. Ellroy Hilliker Curse 13: A friend knew a ginch named Jean Feese.

2. the vagina; thus the act of sexual intercourse.

[US]Goldin et al. DAUL 81/1: Ginch. (’A piece of ginch’) [...] 2. The act of sexual intercourse.
[US]J. Olsen Secret of Fire Five 43: Plummer’s specialty is ginch, not food. ‘One of the department’s finest hosemen,’ his F.D. biography says.

3. (gay) an attractive young man.

[US]Goldin et al. DAUL 81/1: Ginch. (’A piece of ginch’) [...] passive pederasts; fags.
[US]B. Rodgers Queens’ Vernacular 161: sexually oppressed, constantly raped victim; usually straight [...] ginch (rare).
[US]Maledicta III:2 232: He also may or may not know the following words and expressions: [...] ginch.