HWAH! Share definition Flag Can be used after making someone jealous or " jelly ". As a sort of Evil Laugh or taunt. "I had pizza! U JELLY?" - Dean"Yeah" - Oisin"HWAH!" - Dean HWAH! by SlugWasson November 15, 2011 0 0 Get merch Get the HWAH! mug. Buy Now — $32.95 See more merch