gacknArr Share definition Flag creeper,stalker,creepster,very sketchy person the dude from bio class that stares at you and when you look at him he pretends he wasnt looking..yeah that guy.hes a gacknArr gacknArr by vampireppl11 February 7, 2009 0 0 Get merch Get the gacknArr mug. Buy Now — $32.95 See more merch
