Noun 1. oral sex – oral stimulation of the genitals;

“they say he gives good head”

sexual perversion, perversion – an aberrant sexual practice;
cunnilinctus, cunnilingus – oral stimulation of the vulva or clitoris
fellatio, fellation – oral stimulation of the penis
sixty-nine, soixante-neuf – oral sex practiced simultaneously by two people

Try explaining that to a 7 year old. Kanneh!

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