“Clapping cheeks” is a cheeky slang term with a somewhat murky origin story. So what does clapping her cheeks mean? This odd phrase refers to the act of having sex, with the clapping sound referring to the noise produced during vigorous sexual activity.

clap cheeks (third-person singular simple present claps cheeks, present participle clapping cheeks, simple past and past participle clapped cheeks) (slang, euphemistic, possibly vulgar) To have sex or have sex with.

Clapping cheeks Getting one’s cheeks clapped is a newer term which is rising in popularity. The name comes from the idea that, when you are in the throes of very intense sex, bum cheeks could make a clapping sound.