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When the meth-addled mind descends into delusions involving equations.
Misty Christy does meth math: "square root of (good + evil) is positive, but if it's minus negative, so if you cancel out evil, you get me, that means I'm god. QED. See Mondo? I just proved that I'm god, mathematically, how cool is that. I'm god."
by helleborine February 25, 2010
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When someone on meth tries doing elematary level math while conversing with you at a bar.

What's your name? Are you Irish? My dad is English and my mom is Irish, but I'm only one quarter English! This is a classic example of meth math.
by Benny Biceps August 20, 2007
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