After a man has fucks a girl in the ass with out a condom, then trys to go pee and poop comes out. Thats a poop worm.
After giving her anal Eddy had a major Poop worm.
by Skwinch October 24, 2003
After engaging in anal sex, sometimes a little poop remains in the guys pee hole, a Poop Worm is the thin piece of poop that comes out as he pees after having anal.
After a long night of anal, when he finally peed, the poop worm coiled aroud the bottom of the toilet bowl.
by ARN August 11, 2005