gnar batch Share definition Flag something so gnarly that it is infact a whole batch of gnar. abbr: 'gnarbs' "hey jimmy, i just buttfucked your mom and the dog liked my balls." 'dude, gnar batch.' gnar batch by steve turbs October 11, 2004 0 0 Get merch Get the gnar batch mug. Buy Now — $32.95 See more merch