Poo worm
The inch of shit that is lodged in a man's urethra after performing anal on someone.
After fucking his girlfriends ass, had to go piss out his poo worm before he could cum.
poo worm
poo worms worms made from poo. Origin of phrase related to the misconception that poo worms are found in oysters contaminated with PSP (Parasitic Shellfish Poisoning).
poo worms i.e. "You are a giant poo worm." i.e.- "Your face is a pooworm."