Flopping Fadge Share definition Flag Flopping Fadge is when a Womans Vaginal Lips are hanging a bit loose. Oh man! That woman I slept with last night had some serious Flopping Fadge going on. Flopping Fadge by Will and Craig March 13, 2008 0 0 Get merch Get the Flopping Fadge mug. Buy Now — $32.95 See more merch