Green’s Dictionary of Slang

(US) fellatio.

1949		‘Swasarnt Nerf’ et al. Gay Girl’s Guide 3: B-J: Abbreviation for Blow-Job.
1972		B. Rodgers Queens’ Vernacular.
1986		S. King It (1987) 79: One of ya fag friends gonna give you a bee jay?
1997		C. Hiaasen Lucky You 259: But I haven’t got to fuck her yet. Not even a b.j.
2000		H. Dowd ‘Crazy Summer’ 🌐 So here I am driving down the road, looking at my sister’s tits, thinking about my first BJ and my cock snaking its way down the leg of my shorts.
2003		Dizzee Rascal ‘I Luv U’ 🎵 That girl gives B.J.s at all times.
2008		T. Dorsey Atomic Lobster 212: I’m just getting a B.J. now. I can talk.
2011		J.J. Connolly Viva La Madness 1279: I won’t be able to tell them it was stolen while I was getting a BJ.
2012		Topix Local News (Johannesburg) 1 Nov. 🌐 I am 25 [...] looking for an elderly white white male for sex. I will give b.j.’s.
2013		K. Sampson Killing Pool 146: A win at the rummy. A bit of a dance. A bee-jay.
2022		Twitter 17 June 🌐 [N]one of the air stewardesses did anything about a middle-aged woman giving a bloke in his 20s a BJ!