funyakin' Share definition Flag To fool around. Derives from the "funyak," a one-person, often inflatable kayak. A person goes kayaking if they are serious, but goes funyaking if they are just fooling around. Son, are you funyakin' again? funyakin' by Bossfly October 15, 2004 0 0 Get merch Get the funyakin' mug. Buy Now — $32.95 See more merch