Fishy Flappers Share definition Flag (n)-When a girl's vagina is really loose, and it wreeks of dead fish ex. Dude your'e lucky you didn't go out with steph, shes got some mad fishy flappers. Fishy Flappers by Harrison Talbot August 9, 2007 0 0 Get merch Get the Fishy Flappers mug. Buy Now — $32.95 See more merch