Potatoe Ass Share definition Flag When you get completely hammered and your friends shove old potatoes in your ass while you are passed out. Justin had way too many shots and woke up with a harsh case of potatoe ass. Potatoe Ass by anonymous447kittykittylicklick December 24, 2009 0 0 Get merch Get the Potatoe Ass mug. Buy Now — $32.95 See more merch