Green’s Dictionary of Slang

1. mutual oral-genital stimulation; also attrib.

1883		Boudoir (1984) 108: I already had a mistress in Ninette, the daughter of my concierge, a pretty little morsel, [...] ready to make the beast with two backs, to play the game of 69, to exercise the delicate manipulation of her soft fingers, or do the lolly-pop trick with her ripe lips.
1888–94		‘Walter’ My Secret Life (1966) VIII 1581: Show me your arse, let me see your lovely buttocks and cunt. Lay over me, make sixty-nine.
1896		Farmer Vocabula Amatoria (1966) 126: Faire soixante-neuf = a posture in venery, in which the woman is gamahuched by the man, he being tongued by his partner.
1899		‘Donewell’ Green Girls 30: The two innocents discovered the delectable attitude of 69.
1907		C. Prendergast Sadopaideia 9: I was straddling right across her, and we were in the position I knew quite well from photographs, known as sixty-nine.
1909		G.R. Bacchus Maudie 79: What a lovely sight it would be to see soixante-neuf between the two [girls].
1919		Transcript Foster Inq. in L.R. Murphy Perverts by Official Order (1989) 12: ‘Beckie’ Goldstein was famous for ‘sixty-nine’ parties in which pairs of men ministered to one another. [Ibid.] 80: ‘Green and Gidrey are pulling off 69 parties together at dfferent times,’ reported another detective.
1927		A.J. Rosanoff Manual of Psychiatry in Katz Gay/Lesbian Almanac (1983) 440: Sixty-nine, position assumed for mutual irrumation.
c.1930		(ref. to late 19C) N. Kimball Amer. Madam (1981) 13: Nobody gave a damn what they were after they went upstairs for wick-dipping or neuf-soixante.
1934		‘J.M. Hall’ Anecdota Americana II 18: There was the man who boasted he could fuck seventy times a night, once in bed and sixty-nine on the floor. [Ibid.] 109: With Ph.D. tongue and / A ‘sixty-nine’ pose.
1942		in G. Legman Limerick (1953) 86: When you’d want to six nine / His penis would pine. [Ibid.] 89: Old Louis Quatorze was hot stuff. / He tired of that game, blindman’s buff, / Up-ended his mistress, / Kissed hers while she kissed his, / And thus taught the world soixante-neuf.
1947		K. Williams Diaries 10 Feb. 10: Coffees in Nee Soon with Harry M., details of affaires. Gory. 69 etc.
c.1948		in G. Legman Rationale of the Dirty Joke (1972) I 324: The ‘seventy-one’: a sixty-nine with two people watching. The ‘seventy-two’: a sixty-nine with three fingers in the anus.
1949		‘Swasarnt Nerf’ et al. Gay Girl’s Guide 16: soixante-neuf: French for sixty-nine, used by the elegant.
1959		M. Richler Apprenticeship of Duddy Kravitz (1964) 68: I’m told she’s wild about soixante-neuf.
c.1960		in E. Cray Erotic Muse (1992) 286: Thrice twenty-three makes sixty-nine. / I’ll eat yours if you suck mine.
1965		A. James America’s Homosexual Underground 39: Once a younger fellow and I had gone all the way — 69. It was magnificent.
1970		San Diego Sailor 38: We were in a sixty-nine position, where I could look at his nuts too.
1974		(con. 1960s) R. Price Wanderers 204: ‘He was fuckin’ her?’ ‘No, he knocked her up by sixty-nine.’.
1974		J. Lahr Hot to Trot 60: Soixante-eat-your-heart-out-neuf.
1979		C.S. Andrews Dublin Made Me 53: There must have been a very long underground tradition of sex erudition where boys of fourteen could talk of soixante neuf and of wezels (merkins) and of cunnilingus and fellatio .
1979		Lette & Carey Puberty Blues 16: ‘What’s a sixty-niner?’ [...] ‘Head to tail.’.
1983		(con. 1940s–60s) Hogbotel & ffuckes ‘The Hills of Assam’ in More Snatches and Lays 86: I’ve played soixante-neuf on Parisian turf.
1983		N. Heard House of Slammers 89: Sixty-nine Lil with Three-dollar Bill.
1988		H. Max Gay (S)language.
1990		(con. early 1950s) J. Ellroy L.A. Confidential 178: Snapshots [...] corpses going 69 on morgue slabs.
1992		R.G. Barrett White Shoes 58: DD got on top, they had a brain-snapping sixty-niner.
1993		(con. 1950s) Kennedy & Davies Boots of Leather (2014) 198: This narrator recalls a visit to Winters [bar, where other women were laughing about ‘sixty-nine.’ [...] ‘I didn’t get it. I [...] said, “Somebody says ‘sixty-nine’ and everybody gets hysterical”’ .
1995		(con. 1985–90) P. Bourjois In Search of Respect 192: [of two men] We saw two niggas. They was men from the street, and they was giving each other a blow job . . . sixty-nine on the floor.
1996		Penguin Bk of More Aus. Jokes 28: Sophie and Eddie were engaged in erotic pleasures of the 69th variety. [Ibid.] 344: A Chinese couple were having a mildly inventive bout of sexual intercourse when he asked his wife for a sixty-niner.
2001		(con. 1964–8) J. Ellroy Cold Six Thousand 229: Prev. ment’d ka dominic ‘donkey dom’ dellacrocio appears in the homosexual films ‘Greek Man,’ ‘Back-Door Man,’ ‘Hung Man,’ ‘Big Dick Man,’ ‘12-Inch Man,’ ‘Moby Dick Man,’ ‘Moby Dick’s Delight,’ ‘Moby Dick Misbehaves,’ ‘Moby Dick’s Greek Vacation’ & ‘Moby Dick Meets the 69 Boys’.
2005		Roger’s Profanisaurus in Viz Apr. 48: A sixty-niner.
2006		G. Iles Turning Angel 137: The ‘69’ and ‘bj’ are self explanatory.
2017		Guardian Online 6 Feb. 🌐 In one early painting, two monstrous, cartoonish men [...] perform a 69.
2023		(con. 1962) J. Ellroy Enchanters 21: Fuckee-suckee pix [...] fucking, sucking, going 69.

2. (US campus) a homosexual.

1967–8

Baker et al. CUSS.

3. in fig. use, anything intensely satisfying or pleasurable.

2000

C. Cook Robbers (2001) 5: Kaleidoscopic view: consumer soixante-neuf. Anything you wanted in there, racked up to please the eye and move fast.