Green’s Dictionary of Slang

manners v.

1. (UK black) to seduce.

[UK](con. 1979–80) A. Wheatle Brixton Rock (2004) 134: All this fame and Garnet still couldn’t manners the girl he craved. [Ibid.] 187: He always shows respect with me – never tries to manners me.

2. see heavy manners v.