Shmist Share definition Flag A fine mist of faeces that is emitted from the anus upon emission of gas (flatuance), similar to, but not the same as a Shart. Dan: Dude I think I just shmist in my pants. Shmist by gorilla in the shmist April 1, 2009 0 0 Get merch Get the Shmist mug. Buy Now — $32.95 See more merch