Green’s Dictionary of Slang

1. the licking and sucking of the anus, orig. gay use.

1966		Trimble 5000 Adult Sex Words and Phrases.
1971		E.E. Landy Underground Dict. (1972) 160: ream job [...] Oral copulation of the anus with stimulation by the tongue. [Ibid.] 161: rim job.
1983		R. Klein Jailhouse Jargon and Street Sl. [unpub. ms.].
2008		(ref. to 1971) F. Dennis ‘Old Bailey’ Homeless in my Heart 183: Carried from each cell door / To a place where all hope fails, / Where men are buggered and reamed, / Their bodies bruised and numb.

2. in fig. use.

1967–8		Baker et al. CUSS 183: Ream-job Difficult exam.
1977		L. Heinemann Close Quarters (1987) 286: We’ve been had. This is a champeen ream job.

(orig. US gay) to penetrate the anus either with the tongue or penis; also used fig., to cause harm to or trouble for.

c.1930		N. Kimball Amer. Madam (1981) 326: She could never be worked over enough, banged, reamed, blown, flogged.
1949		‘Swasarnt Nerf’ et al. Gay Girl’s Guide 14: ream: To insert one’s tongue in partner’s anal opening.
1952		J. Jones From Here to Eternity (1998) 184: The Army’s been that way [...] ever since Benedict Arnold first put the slippery dong to the Point – and got reamed for his pains.
1962		(con. 1940s) G. Mandel Wax Boom 99: He’s gonna shove an umbrella up your pants and open it to ream you out.
1965		Guild Dict. Homosexual Terms 39: ream (v.): (1) To pedicate.
1972		B. Rodgers Queens’ Vernacular 172: to lick or suck anus [...] ream [somebody out].
1972		C. Bukowski Erections, Ejaculations etc. 355: I’ve been reamed by half the United States Navy! [...] There’s nothing like a bit of clean round-eye!
1983		R. Price Breaks 102: A ‘protector’ who would ream me up to my tonsils and then make me do his laundry.
2002		‘Touré’ Portable Promised Land (ms.) 172: A rimming, a reaming, a frightening velocity.
2015		S. King Finders Keepers (2016) 76: Off we go to Riverview [a reformatory] where we will get our tender young buttski reamed and make exciting new friends.