When on the john, taking a shit, you suddenly have the urge to masturbate. Prevalent in adolescent males.
by ipodtouchmasttterr May 21, 2009
Greg, "Hey John you wanna hang today?"
John, "Yea man, I'll be over as soon as I do a quick Crap N' Fap"
John, "Yea man, I'll be over as soon as I do a quick Crap N' Fap"
by Fapking October 30, 2011