Eatcha ass Share definition Flag The act of demanding or accusing a person of using one's mouth to a partners anal cavity. A woman says "The sex was ok last night."Her lover says "I AM NOT GOING TO EATCHA ASS!" Eatcha ass by EatchaShutcha August 2, 2009 0 0 Get merch Get the Eatcha ass mug. Buy Now — $32.95 See more merch