Green’s Dictionary of Slang

wife v.

1. (US prison) for a dominant prisoner to force another inmate to be his wife n. (3)

[US]G. Hayward Corruption Officer [ebook] Ch. 29: So that the in the closet homo thugs won’t be fighting each other over who is going to wife one of them.

2. (UK black) of a woman, to have a (sexual) relationship.

[UK]Skepta ‘We Begin Things’ 🎵 All the chicks in the hood wanna wife me / Black chicks, white chicks and the lighties.