Green’s Dictionary of Slang

1. (gay) to insert one’s hand (and forearm) into someone’s anus or vagina.

1975		Ribald (Sydney) 3 Apr. 7: FIST FUCK. Now a way of life with many Yank gays. Will it catch on in Oz? Well just in case it does Gay gives you the confessions of a fistfucker telling you how to get your arm up without bruising your knuckles.
1978		L. Kramer Faggots 277: I could never understand why you liked to get fist-fucked and don’t like to get regular fucked.
1981		J. Hayes in Chesebro Gayspeak 389: The greatest portion of the gay lexicon refers to gay male sexuality and associated activities: fist-fuck.
1992		Union Recorder (Sydney) 16 Mar. 4: I obtained his phone number and sneaked into the ground floor Manning toilets and wrote ‘Fist Fucking bottom desires unhygenic vet students for raunchy times/relationship. Ring etc.’.
1997		E. Little Another Day in Paradise 189: I’m gonna [...] fist-fuck ya, and pull your heart out through your ass!
1999		Gaymart.com Queer Sl. in the Gay 90s 🌐 Fist – To insert part or all of one’s hand into the anus or vagina of a sex partner.
2005		E. White My Lives 200: Jean had picked up an elderly Arab [...] brought him home and convinced him to fist him.
2010		W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 74: ‘I dnt bttm for knky fun eva. I do ws,f,tt, cb. nt n2 receiving pain’. Translated this means: I don’t receive anal sex. I offer water sex, fisting, tit torture, cock and ball torture, but I am not into receiving pain.
2015		J. Stahl OG Dad 22: It’s like I know when I walk in that examining room I’m going to be fisted. But not in a good way.

2. in fig. use of sense 1.

1996

Sydney Star Obs. 2 May 11/1: It would seem that the nice lessos and faggos of the not so wide and big minded MG want to put on the big latex glove of segregation and fist fuck our bi sisters and brothers.

3. see fuck one’s fist under fuck v.