Crust Meist Share definition Flag Something or someone that is astonishingly crusty, filthy, and/or repulsive. “Ewwww, crust meist” “Get your toes away from me crust meist!” Crust Meist by Crustmeister6000 May 30, 2023 0 0 Get merch Get the Crust Meist mug. Buy Now — $32.95 See more merch