jababootz Share definition Flag Bumping on the forehead instead of punching in the chin. Its a quick way of saying arsehole... Jababootz Walk up to an arsehole and Jababootz him in the forhead with the palm of your hand. jababootz by SandyNGrit April 29, 2022 0 0 Get merch Get the jababootz mug. Buy Now — $32.95 See more merch