hit or strike (someone or something)

she falls back in, boinking her head

have sex with (someone)

Rudy then finds out that the girl he was supposed to marry is now boinking his brother

hit or strike (someone or something)

he bonked his head on the plane's low bulkhead

have sex with (someone)

I don't think that bonking the boss is a wise career strategy

(of a cyclist or runner) reach a point of exhaustion that makes it impossible to go further

I bonked and couldn't pedal another stroke