Poop Vapor Share definition Flag a misty substance that comes out when you fart. smells very MOIST. person 1: look there's that guy i hate. person 2: snipe him with your poop vapor. Poop Vapor by PoopPantsNoDaiper February 24, 2020 0 0 Get merch Get the Poop Vapor mug. Buy Now — $32.95 See more merch