ghost bowl Share definition Flag When you smoke a bowl without any knowledge of smoking it, leaving you to ponder where all your weed has gone. Me: "Dude where did all of our weed go?"Friend: "Dude, we must've smoked ghost bowls..." ghost bowl by Ptn10 April 26, 2015 0 0 Get merch Get the ghost bowl mug. Buy Now — $32.95 See more merch