To simultaneously poop and masturbate. My friend Daniel, who is undoubtedly a chronic poopsterbater, coined this phrase.
I heard Mark poopsterbating on the toilet last night.
Andy enjoys to poopsterbate.
"Want to watch me poosterbate?" Stephen asked.
Andy enjoys to poopsterbate.
"Want to watch me poosterbate?" Stephen asked.
by ShawnB May 01, 2005