bonk2 noun informal 1 [singular]SEX/HAVE SEX WITH British EnglishBrE the action of having sex – used humorously 性交,性行为〔幽默用法〕 2. [countableC]HITHIT/BUMP INTO the action of hitting someone lightly on the head, or hitting your head against something 〔对某人头部的〕轻击;〔头部受到的〕撞击