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1 definition by YaGirl987

someone who is incredibly ugly. Wayyy past fugly.
Dude: Woah look at that pimple face over there

Dude2: Ew, what a mug-a-tron

Girl: OMG i don't have makeup on today, i feel like a mug-a-tron.
by YaGirl987 February 23, 2011