cuaf Share definition Flag pronounced cough; A form of farewell, derived from a makeshift acronym for "See you around friend" (Substitute C and U like in chatspeak) Hey, I've gotta go, it was nice talking to you! Cuaf! cuaf by ungrammatical prufundity March 18, 2007 0 0 Get merch Get the cuaf mug. Buy Now — $32.95 See more merch