A derogatory term equating the person at which it is directed to a napkin used to clean up splooge after a vigorous fapping session.
"God, I hate (insert name), he's such a Fap Napkin!"
"Damn it, (insert name), quit being such a Fap Napkin!"
"Damn it, (insert name), quit being such a Fap Napkin!"
by Inebriated&Insolent September 9, 2011
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