Flaptagging Share definition Flag The female equivalent of Teabagging.v. To lower one's labia onto another person's head/face/mouth. Female I killed him in Halo and then started Flaptagging him. Flaptagging by LiverpoolsNo9 March 8, 2013 0 0 Get merch Get the Flaptagging mug. Buy Now — $32.95 See more merch