Scatterpillar

An extremely large piece of scat; takes its time coming out, inches along like a caterpillar.

Person 1: Dang man, were you watching a movie in there? You took forever to come out of the bathroom!
Person 2: Nah, I was just waiting for the scatterpillar to crawl all the way out.

by Sir Tantalus September 19, 2017