Flop-Her-Out Share definition Flag To "Flop-Her-Out" means to get your penis out. Oi Gareth, "Flop-Her-Out"!!! URGH HE GOT A BLACK DINKY!!! Flop-Her-Out by Matt Pollard1 October 27, 2005 0 0 Get merch Get the Flop-Her-Out mug. Buy Now — $32.95 See more merch