The act of shitting into your own hand while having sex from behind and slapping it onto your partner's ass.
Friend #1: How can I spice things up in the bedroom?
Friend #2: Have you ever tried the Bohemian Crap-Slap? It's the shit.
The ultimate hangover cure - big shit, jerk off, and back to bed.
Yo - I am heading back to the room for a CSN - crap, slap, nap.
While a dude shits and he beats off at the same time.
Did Dennis go to the bathroom to crap and slap? Gross.