Flaffell Share definition Flag The state of total retardation or cluelessness. Lacking the motor skills to function in society. Losing one's touch with reality Dude I was so Flaffelled last night after drinking that Parrot Bay. Flaffell by Flaffelled Person April 10, 2010 0 0 Get merch Get the Flaffell mug. Buy Now — $32.95 See more merch