Mwhahahahahaha Share definition Flag Evil laugh, extremly funny if the laugh can be laughed properly, and in the correct circumstances. Jimmy: Hey, where's my wallet? Jhon: Mwhahahahahaha Jimmy: hehe *demands wallet from Jhon* Mwhahahahahaha by Dave! January 21, 2005 0 0 Get merch Get the Mwhahahahahaha mug. Buy Now — $32.95 See more merch