1 definition by G. Silverado

When a woman's menstrual symptoms are so severe (i.e., cramps, migraines, nausea) that she behaves as if she has Tourette's Syndrome.

Example #1 (without M.I.T.S.): "May I go in front of you because I only have one item?"

Example #2 (with M.I.T.S.): "Dude, you need to fucking move your ass or else I'm gonna knock you and your fucking kid out!"

Do you believe her? She's got some nerve.

She's probably suffering from M.I.T.S.
by G. Silverado October 17, 2010
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