Top Definition
Fap fap fap = an onomatopoei for male wanking, masturbating, etc. Motherfapping is then used in place of Motherf*cking.
I'm so tired of this goddamn motherfapping homework!
#motherfucking #motherfapper #fap #fapping #motherfaping
by Carple April 19, 2009
5 Words related to Motherfapping
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