1. Someone who does something completely retarded and thinks they are in the right.
2. Someone who is/acts retarded yet is successful. (Usually in a video game setting.)
1. "Sasha bought a hamster while her mother was out at a funeral and then said it was her mom's fault for leaving her alone. Total Megamind."
2. "This fucking Garrosh is making the dumbest moves yet he still wins. Like a total MEGAMIND."
Megamind is a 2010 Animated Superhero Comedy Film produced by DreamWorks Animation. The film tells the story of Megamind, a highly intelligent alien supervillain who becomes depressed after defeating his nemesis Metro Man. He creates a new superhero from Metro Man's DNA, but must become a hero himself when the new "hero" becomes an even worse villain than he ever was.