Gash Share definition Flag Second level entry in the Joker-san female rating system, right below Scab Cracker. A very nice female specimen, definately oral sex worthy. "That slut I gave the angry dragon to last night was pretty hot, not quite a Scab Cracker like the one last week, but definately a piece of Gash...." Gash by SP00NS July 19, 2007 Get the Gash mug.