Green’s Dictionary of Slang

1. (US) a pretty, sexy young woman, thus a mistress (who, perhaps coincidentally, is rewarded by the fur).

[1703		J. Dunton Shortest-way with whores and rogues 8: I shall next show the Shortest (being a new) way to reform the Proud Hector and Stately Minks].
1848		‘Ned Buntline’ Mysteries and Miseries of N.Y. II 10: You remember the little mink that we tossed up for in front of Florence’s, don’t you?
[1946		H.A. Smith Rhubarb 84: She was as sexy as a mink].
1956		‘James Updyke’ [W.R. Burnett] It’s Always Four O’Clock 20: She looked more like a doll who would be sitting ringside at Ciro’s. I don’t mean some Big Wheel’s kept mink.
1971		H.E. Roberts Third Ear n.p.: mink n. an attractive lady.
1992		J. Mowry Way Past Cool 33: Deek had girls up all the time . . . minks that would never have looked twice at Ty.

2. (US) a lecher or scoundrel.

1859		Wkly Varieties (Boston, MA) 3 Sept. 6/4: That mass of dubious humanity [...] may daily be seen dragging his carcase through the streets [...] Why do such respectable men as Col. Mit—ll and others travel with this mink?
1900		O. Wister Jimmyjohn Boss and Other Stories 61: You ornery old mink!
1915		M.G. Hayden ‘Terms Of Disparagement’ in DN IV:iii 196: mink, a treacherous person. ‘She’s a mink that needs watching.’.
1946		H.A. Smith Rhubarb 271: Listen, you mink in sheep’s clothing.
1998		A. Warner Sopranos 244: The fucking mink run off down the street wi ma school knickers on his head!

3. (US) the vagina.

1989

H. Rawson Dict. of Invective (1991) 39: A mink is an especially attractive or high-class beaver.

4. one with a notable sexual appetite.

1949		W.R. Burnett Asphalt Jungle in Four Novels (1984) 170: The little doctor was a regular mink — a different girl every night.
1967		‘Philip Barrows’ Whores, Queers & Others I [ebook] She supposedly put out like a mink.

5. (Irish) a traveller.

2001

G. Coughlan Everyday Eng. and Sl. 🌐 Mink (n): traveller.