An extremely smelly condition of the penis, caused by extensive anal penetration. The condition may linger for up to 13 hours after sesation of aformentioned anal penetration.
Bud: Man dude, I got a wicked sick poop cock from that...from your sister, its been there for like two days and its giving me a headache!
Jimmy: Im going to f-ing kill you, you f-ing poop cock! Beeootch!