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Comic character from the 80's. Theta referring to his sexual fetish for ancient Greek texts and Zero referring to the amount of friends he has.
Evil Lord Beefy: Now, Theta Zero, you will die. Theta Zero: B..but I thought you were my friend! Evil Lord Beefy: Friend? You? Ahahahahahahahahah!
by RUNEYY July 13, 2010
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The one that is less then 1.
He's not" J, woutercross, or pleco, he's just a theta zero.
by madz skillz July 13, 2010
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