k'caw Share definition Flag a loud noise usually shouted when you can no longer think of anything to say or in an awkward position. can replace things like WAM, bob or frogigin. them - " i love you" you - "k'caw!" k'caw by merlinpig October 11, 2006 0 0 Get merch Get the k'caw mug. Buy Now — $32.95 See more merch