Jolly Whomper Share definition Flag In American Slang: An overly large poop. Man I just dropped a JOLLY WHOMPER in the toilet, dont go in there for at least an hour. Jolly Whomper by DIK So Large January 8, 2022 0 0 Get merch Get the Jolly Whomper mug. Buy Now — $32.95 See more merch