Fish Flank Steak Share definition Flag When the lips of a womans pussy are long and flappy, usually due to extreme use and/or abuse. DAMN! The bitch in this porn has NASTY fish flank steaks, they hang down to her knees. Fish Flank Steak by chuckerman May 17, 2006 0 0 Get merch Get the Fish Flank Steak mug. Buy Now — $32.95 See more merch