From Longman Dictionary of Contemporary Englishbonkbonk1 /bɒŋk $ bɑːŋk/ verb [intransitive, transitive] informal 1 SEX/HAVE SEX WITH British English to have sex with someone – used humorously2 HIT/BUMP INTOHITto hit someone lightly on the head or to hit your head on something He fell, bonking his head against a tree.→ See Verb table
Examples from the Corpus
bonk• My mother walked in and caught us bonking.• Casnoff was bonked by a piece of falling scenery during a performance.• They said she'd bonked every man in college.• But she will bonk just about anybody on the crew.• To have any hope of bonking on the beach, he'd be better off packing something more basic.bonkbonk2 noun informal 1 [singular]SEX/HAVE SEX WITH British English the action of having sex – used humorously a quick bonk2 [countable]HITHIT/BUMP INTO the action of hitting someone lightly on the head, or hitting your head against something3 [countable]C a sudden short deep sound, for example when something hits the groundExamples from the Corpus
bonk• A quick bonk in a lay-by is not my idea of romance.Origin bonk1 (1900-2000) From the sound 