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he shit your pants feeling you get when you eat McDonnalds. The Itis is brought on by an Addiction to grease and salt, and is the after math of cramming food substitutes like double chz burgers down your gullet.
aw shit, i just ate 2 big macs and a half gallon of sugar. the mc'itis is gonna turn my guts inside out.
by WienerBang March 12, 2009
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