Gafawful Share definition Flag The act of slurping one's drink while drinking it in an obtusely and deliberately loud manner. I'm sorry, what did you say? I couldn't hear you as I was gafawfulling my beverage. Gafawful by Quass December 7, 2005 0 0 Get merch Get the Gafawful mug. Buy Now — $32.95 See more merch