Definition of "bonk"
bonk
/bɒŋk/
verb
third-person singular simple present bonks, present participle bonking, simple past and past participle bonked
(informal, chiefly UK, transitive, intransitive) To have sexual intercourse (with).
noun
countable and uncountable, plural bonks
(informal, countable, chiefly UK) An act of sexual intercourse.