laffboat Share definition Flag Invented and used by a certain community in World of Warcraft, when one finds something incredibly funny and wants to express it in a retarded way. <tweat>: roflcopter <koceron>: LAFFBOAT!!! <tweat>: what the fuck laffboat by Koceron January 12, 2008 0 0 Get merch Get the laffboat mug. Buy Now — $32.95 See more merch