Ass chowder Share definition Flag Another word for diarrhea. I personal use this term for food items at my workplace's cafeteria that have the consistency of soup. we need to order pizza for lunch, they are serving the boss's ass chowder again in the cafeteria. Ass chowder by Ben June 9, 2004 0 0 Get merch Get the Ass chowder mug. Buy Now — $32.95 See more merch