Someone who has mastered the art of being a bastard.
God, how can you be such a mastard?
by Nick Chaffey June 25, 2007
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1. A Indoctrination and subsequent retardation of a mass of people or public.
Welcome to the Mastardation... It's the begining of the Tardmageddon.
by Dave Mcacks October 24, 2017
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My downs syndrome brother mastardates constantly. He does it so much that his penis looks like raw hamburger
by E-Z Steve January 29, 2015
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