Mister_Alien_Dude Share definition Flag The strangest guy you could possibly ever meet, with an unusual predilection for sheep and driving at insane speeds. Do not piss him off. Mister_Alien_Dude by W00F September 3, 2003 0 0 Get merch Get the Mister_Alien_Dude mug. Buy Now — $32.95 See more merch