| Date: | 1900-2000 |
| Origin: | From the sound |
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bonk1
[intransitive and transitive]
[intransitive and transitive]1 British English informal to have sex with someone - used humorously
2 informal to hit someone lightly on the head or to hit your head on something :
He fell, bonking his head against a tree.
He fell, bonking his head against a tree.



