Poopashmucka Share definition Flag Someone that is stupid or says something stupid. Kelly: Yo, 2+2= 5 right? Jess:No, it equals 4,you poopashmucka! Poopashmucka by Nikkkkko October 9, 2008 0 0 Get merch Get the Poopashmucka mug. Buy Now — $32.95 See more merch