Top definition
A slut napkin is the towelette that a slut uses to wipe her face off after a man has cum all over her face.

Also a provocative insult used to humiliate.
Yo slut napkin get on your knees and sick my dick. slut napkin cum whore dick humiliate fuck bitch pussy towel cock cunt
by Trippintits April 18, 2016
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