Top Definition
The act of taking a dump and then masturbating.
Greg, "Hey John you wanna hang today?"

John, "Yea man, I'll be over as soon as I do a quick Crap N' Fap"
by Fapking October 30, 2011

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When on the john, taking a shit, you suddenly have the urge to masturbate. Prevalent in adolescent males.
I was taking a shit, then out of nowhere I got a boner and proceeded to crap n' fap.
by ipodtouchmasttterr May 20, 2009

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