Top Definition
A holiday that some on the Real Life SuperVillain community choose to advertise and follow instead of the usual Christmas tradition. Also a pale comparison to Krampusnacht, or Krampus Nights celebrations in Europe and other parts of the world.
You can keep your pathetic, commercialized celebrations and parties, I'm joining my friends to celebrate Ubermas and blow up someone's car!
by Krampus X December 24, 2010
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