butt food Share definition Flag A type of food that gives you the same nutritional value had you shoved it up your ass. Hey, what say we hit Whitey's for lunch? No way, that's butt food! I can't take it anymore. butt food by jim6572 December 20, 2006 0 0 Get merch Get the butt food mug. Buy Now — $32.95 See more merch