bangai-o Share definition Flag the act of launching an insane volley of missiles at something. derived from the game "Bangai-O" "so 40 or so guys were swarming in on me, when i just cut loose with this bangai-o and wiped them all out." "choods." bangai-o by Chainsaw Dudley March 31, 2003 0 0 Get merch Get the bangai-o mug. Buy Now — $32.95 See more merch
