Green’s Dictionary of Slang

(UK black/teen) to have sexual intercourse; thus as n., sexual intercourse.

1993–2003		Urban Dict. 🌐 Wok to have sex wiv. i woked so-and-so.
2008		A. Wheatle Dirty South 9: I wanted to give her a wok so bad it hurt. [Ibid.] 20: This constant breeder ain’t gonna wok me without protection.
2010		Sun. Times News Review 19 Dec. 3/6: From youth slang [...] to wok (have sex).