Sluffing Share definition Flag Utah word. No one knows it but Utahns... Ditching class, Cutting Class.... etc. Lets go sluffing next period we have stupid Mr. Whyfuck, and he wont keep his hands out of the back of his pants.. Fuckin nasty. Sluffing by Gabbbehhh July 24, 2007 0 0 Get merch Get the Sluffing mug. Buy Now — $32.95 See more merch