Clappy Bum Share definition Flag When a person farts and is sounds like someone is clapping in a fast manner "pfffffffft" sam: "that sounded like you we giving an applause" leigh " I have clappy bum" Clappy Bum by Harleykat August 10, 2016 0 0 Get merch Get the Clappy Bum mug. Buy Now — $32.95 See more merch