Green’s Dictionary of Slang

1. (also quoiff) the vagina.

c.1709		‘The Hopeful Bargain’ in Farmer Merry Songs and Ballads (1897) IV 208: And she was forced to stand on her Guard, / To keep his clutches from her Quoiff.
1719		in D’Urfey Pills to Purge Melancholy V 259: And she was forced to stand on her Guard, / To keep his Clutches from her Quoiff.
1842		Flash (N.Y.) 10 July 1/2–3: Moll Quiff—What do you mean by writing to me in that style, you India rubber harlot? What do I know about your George’s and your Jem’s, and your Dick’s, and your Harry’s. I believe you lay off with a thousand of ’em.
1842		Whip & Satirist of NY & Brooklyn (NY) 26 Feb. n.p.: The celebrated Moll Quiff or Quaif, who occupies the third storey front.
c.1930		N. Kimball Amer. Madam (1981) 122: One woman is just like another woman. A quiff between a pair of legs is just like any other.
1946		in G. Legman Limerick (1953) 51: There’s a charming young girl in Tobruk / Who refers to her quiff as a nook.
1953		J.H. O’Hara A Rage to Live 162: How would I get an African toothache when the closest I been to a quiff in over a month is sitting next to one.
1966		Trimble 5000 Adult Sex Words and Phrases.
1970		‘Troy Conway’ Cunning Linguist (1973) 51: Minding my p’s and q’s like this. Doing my job professionally, as any regular agent would. Only my p was a Peter and my q was Quiff, normally.
1989		J. Morton Lowspeak.
2001		‘Randy Everhard’ Tattoo of a Naked Lady 46: Moving into a reverse cowgirl, she replugged her sopping quiff.

2. (also quif) women, esp. sexually available ones.

c.1930		(ref. to late 19C) N. Kimball Amer. Madam (1981) 241: General Joe Hooker, a handsome figure of a man, was a real quif-hunter.
1931		G. Milburn ‘Convicts’ Jargon’ in AS VI:6 440: quiff, n. A cheap prostitute.
1945		in Randolph & Legman Ozark Folksongs and Folklore (1992) II 670: She tried her twists and double biffs, / And all such m’neuvres known to quiffs.
1953		S. Bellow Augie March (1996) 149: She had so much. Gave out so much splendor. A stupendous quiff.
1964		H. Selby Jr Last Exit to Brooklyn 276: Maybe he and Sal would go out and pick up some quiff tonight.
1967		T. Berger Killing Time 33: Alloway resumed his old pursuit of married quiff.
1970		‘Troy Conway’ Cunning Linguist (1973) 74: I wasn’t young jail-bait or quiff or a female.
1986		S. King It (1987) 568: Why don’t you look where you’re going, you dumb quiff!
1990		(con. early 1950s) J. Ellroy L.A. Confidential 431: Max Peltz porking some teenage quiff.
2002		(con. WWII) R. Mooney Father of the Man Prologue: You could be really vile, like he was, with high-society British quiffs, but couldn’t bad-mouth a prostitute.
2021		J. Ellroy Widespread Panic 28: He ratted of pushers and celebrity quiffs.

3. (US) a homosexual.

1950		Goldin et al. DAUL 172/2: Quiff. [...] epicenes.
1977		E. Torres Q&A 58: We will fuck Reilly in the ass. He’s probably a quiff, too.
1980		(con. 1970) W. Sherman Times Square 30: ‘Right now, we’re working on the quiffs.’ [...] The unit had been involved with [...] a joint investigation with the Internal Revenue Service into gay-bar and after-hours club owners.
2014		T. McCauley ‘For Whom No Bells Toll’ in ThugLit Mar. [ebook] ‘[D]id she say somethin’ bad about that punk you call a friend? That quiff Hemingway?’.
2021		J. Ellroy Widespread Panic 96: ‘They’ll make sure Rock [i.e. Hudson] doesn’t light out after some hunky chorus quiff’.