Zing flap Share definition Flag A pejorative term for a mouth. Used as part of a generic response to an insult or comeback known as a "zing" or "burn". (See example.) Zing flaps are also called "burn holes". "Your MOM goes to college!" "Oh, shut your zing flap, Kip." Zing flap by Gebus1 October 30, 2013 0 0 Get merch Get the Zing flap mug. Buy Now — $32.95 See more merch
