When on the john, taking a shit, you suddenly have the urge to masturbate. Prevalent in adolescent males.
by ipodtouchmasttterr May 20, 2009
Get the crap n' fapmug. 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
Get the Crap N' Fapmug.