Green’s Dictionary of Slang

1. to cheat at cards; thus Greeking n.

1817		Sporting Mag. L 284: A discovery of Greeking at Brighton, has made considerable noise this month in the sporting world .
1821		‘An Amateur’ Real Life in London I 221: His principal accomplishments are sporting, swaggering, milling, drawing, and greeking.
1825		C.M. Westmacott Eng. Spy I 272: His plan is to entrap some other / In Greeking’s fatal snare. [Ibid.] II 247: note, Elements of Greeking.
1847		Era 28 Mar. 10/1: As a specimen of a [...] professional in the art of ‘Greeking’, in the middle clas of gamblers, few men have obtained more celebrity than [...] ‘Ginger’.

2. (gay) to engage in anal sex; thus Greeking n.

1972		B. Rodgers Queens’ Vernacular 88: anal intercourse [...] greek (rare, fr Greece’s Golden Age when pederasty was in vogue: ‘He’d rather greek than freak’).
1986–7		Maledicta IX 56: Greek v [R] Engage in pederasty; homosexual slang.
1989–2003		R.O. Scott Gay Sl. Dict. 🌐 anal intercourse: [...] Syn: [...] greeking.
1999		Gaymart.com Queer Sl. in the Gay 90s 🌐 Greek – To engage in anal intercourse. In its more common usage as an adjective, the term refers to a preference for anal sex.
2009		R. Vickers Raped Teaser 🌐 ‘Shove it up her asshole, fer Chrissake!’ [...] ‘You know, that’s not a bad idea. I haven’t Greeked a chick in longer than I can even remember.’.