Grizzity Share definition Flag someone who runs shit. shows up, goes hard, gets done. Guy 1: 'That guy just jumped 3 cars!' Guy 2: 'That right there is a Grizzity, man.' Grizzity by flylikemydougie July 30, 2010 0 0 Get merch Get the Grizzity mug. Buy Now — $32.95 See more merch