Extra Bad Share definition Flag When you need something REALLLYYYYY bad. or When something is really good. Shit, I need a smoke extra bad. OMG, liek that ride at 6 flags was extra bad!! YA it was LoL! Extra Bad by knewguy March 3, 2009 0 0 Get merch Get the Extra Bad mug. Buy Now — $32.95 See more merch