v. & n.
--v.
1. tr. hit resoundingly.
2 intr. bang; bump.
3 coarse sl. a intr. have sexual intercourse. b tr. have sexual intercourse with.
--n. an instance of bonking (a bonk on the head).
Derivatives:
bonker n.
Etymology: imit.: cf. BANG, BUMP(1), CONK(2)