Ass-Poopy Share definition Flag A person or an act that is totaly lame. Person 1: My parents said that I couldnt go to the game with you. Person 2: Well that's ass-poopy! Ass-Poopy by Ma-Rak January 19, 2008 0 0 Get merch Get the Ass-Poopy mug. Buy Now — $32.95 See more merch