Green’s Dictionary of Slang

1. the multiple rape of (usu.) a woman, or in gay use, a man, thus attrib.

1956		I. Fleming Diamonds Are Forever (1958) 59: Had themselves a gang-bang with Tiffany. She was only sixteen at the time.
1959		‘Paul Merchant’ ‘Sex Gang’ in Pulling a Train’ (2012) [ebook] You ever been in a gang bang on some chick? [...] Well, you’re gonna see a gang bang on a guy this time.
1961		J. Kirkwood There Must Be a Pony! 243: Come on, chicken, we’ll have us a gang bang.
1969		B. Jackson Thief’s Primer 41: The gang-bang. ‘It goes kinda far in here [i.e. prison]. We’ve had situations where they’d stand in line for a boy. I mean really form a line with the boy in a little cubbyhole.’.
1971		M. Novotny Kings Road 145: I often go for a gang bang but I just like to know the scene first.
1974		J. Matthews The Park and Other Stories (1983) 23: No gangbang dis time. I doan wanna scare de goosies.
1977		E. Bunker Animal Factory 51: [of a prison homosexual] Ran a gangbang, made him pluck his eyebrows, and then sold him to that old pervert.
1984		B. Ellem Doing Time 129: Then by the time the officer on duty has summoned help, the rape, which is often a ‘gang bang’ (pack rape) is over.
1985		B. Humphries Traveller’s Tool 13: Our stylish lifesavers would head the queue in any gang-bang on the planet.
1991		R.G. Barrett Between the Devlin 113: ‘Gettin’ into fights or gangbangs’.
1996		(con. 1948) G. Pelecanos Big Blowdown (1999) 105: Florek had heard stories of drunken women, of gang bangs and pass-arounds.
1997–2002		Alt. Eng. Dict. 🌐 gangbang (compound noun) a group performing sex on an individual.
2000		N. Griffiths Grits 434: That’s wha wiv stumbled on ere, y’know; the site of a Welsh gang-bang.
2003		K. Cage Gayle 71/2: gang bang n. 1. orgy [...] 2. gang rape.
2012		(con. 1980s) I. Welsh Skagboys 80: The place seems solely used fir the consumption ay drugs, wi the possible exception ay the off gang bang.
2015		L. McInerney Glorious Heresies 104: [Y]ounger men, booked in groups to sate the gang-bang fantasies unearthed by porn habits.

2. (US drugs) a number of individuals taking drugs together, esp. a group marijuana smoking session.

1953

W. Brown Monkey On My Back (1954) 35: Pretty soon there were five or six of the boys who would slip into the woods for a ‘gang bang’ in the afternoons.

3. (US black) a (gang) fight.

1969		(ref. to 1950s) R.L. Keiser Vice Lords 52: During the first and third phases of a gangbang this poem is repeated by members [...] The final refrain— ‘Vice Lord! Mighty Vice Lord!’.
1970		A. Sillitoe Start in Life (1979) 193: I didn’t fancy a gang-bang with Gilbert Blaskin.
1971		H.E. Roberts Third Ear n.p.: gang bang n. a fight.
1980		E. Folb Runnin’ Down Some Lines 238: gang-bang Fight.
2005		W.D. Myers Autobiog. of My Dead Brother 169: When’s the last time anyone arranged a gangbang and ran it by the po-lice?’.

4. an orgy, irrespective of sexuality, in which there is no compulsion.

1957		C. MacInnes City of Spades (1964) 180: They was having an orgy when I left, but me, I don’t care for these pig-parties or gang-bangs whatsoever.
1959		J. Gielgud letter 24 June in Mangan John Gielgud’s Letters (2004) 232: Witness to a quite interesting gangbang in which the principal performers were Patrick [...] and a German [etc.].
1965		Guild Dict. Homosexual Terms 18: gang-fuck (or gang-bang) (n.): A group of homosexuals having an orgy of pedication and irrumation, etc., wherein daisy chains (q.v.) are a part. Originally, a gang-fuck was a single boy or homosexual being forced into all forms of sex by two or more males. This is now obsolete and the two terms are interchangeable.
1965		G. Melly Owning Up (1974) 214: Many of them were very experimental sexually and would take part in gang bangs.
1967		‘Philip Barrows’ Whores, Queers & Others I [ebook] [S]he liked gang-bangs, taking on ten or twelve guys in a row, but the guys in my fraternity called her a pig.
1977		S. Berkoff East in Decadence and Other Plays (1985) 69: Some unsavoury bunk-up or gang bang behind the Essoldo.
1984		Benjamin & Pearl Limericks Down Under 51: A redhead from Indigo Upper / Had all the boys trying to tup her; / Three from Gerogery / She told ‘Go to boggery - / There’s a gang bang at Wang with hot supper!’.
1988		in E. Cray Erotic Muse (1992) 364: She loves a gang-bang; she always will / Because a gang-bang gives her such a thrill. / When she was younger, and in her prime, / She used to gang-bang all the time.
1988		H. Max Gay (S)language 17: Gangbang—group gay sex.
1990		(con. early 1950s) J. Ellroy L.A. Confidential 125: Tyrone and Leroy have got that same perfume on their mitts, and I’m betting against a gang bang.
2002		Sandmann ‘Burning Down the House’ Planet Sex Stories 🌐 I tit fucked each one until I could sense they were about to blow their sticky wad. Then I would abruptly break it off to continue my tease. I knew, by this point, that a gangbang was coming on. You don’t bring seven guys to boil and then walk away.

5. (Aus.) a woman willing to take on multiple sexual partners in a single session.

1967

‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxv 6/1: gang bang: A loosely moralled woman, same as buttered bun.

6. (US) a confusing or chaotic situation.

1977		D. Powis Signs of Crime 185: Gang bang [...] in a humorous ironic sense of, say, a garden party or a vicarage fete – ‘a real gang bang’.
2000		C. Cook Robbers (2001) 3: Sucking wind under the onslaught of money, a stripmall gangbang straddling the Balcones Fault.