When a man has symptoms similar to when a woman PMSes.

Like, getting mad/annoyed at simple things and taking it out on you.
John: YOU LEFT THE FUCKING MILK OUT!!! WHAT THE FUCK??? I MEAN I WORK SO HARD *Cries*

Meagan: Uh... What's up with John?

Steve: He's got pre man-strual syndrome.
by CapnNorris December 24, 2010
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