Green’s Dictionary of Slang

renk v.

[SE rank, foul]

(UK black) to stink; to render stinking.

[UK](con. 1979–80) A. Wheatle Brixton Rock (2004) 144: You can’t pull no gal tonight renking like that. [Ibid.] 143: I don’t want my woman complaining that my spars [...] renk out her yard.