What is Nappy Poo?
A nap taken before an impending defecation. Ultimately leading to shitting one's pants.
Friend 1: I'm going to take a Nappy Poo.
Friend 2: What?
Friend 1: I gotta take a big shit, I'm going to take a nap.
See crap, poop, feces, po, poo, sleep, shit, shitting, funny