1 definition by Manduh420

Top Definition
The time of the month when men display the same characteristics of women during their "time of the month." Generally consists of elevated bitchiness, lack of compassion for others, and intense hunger. Steer clear of boyfriends, fathers, and husbands during this time. Things could get UGLY.

Also known as man-cycle.
Tom was such a brat last night. He must be manstruating.
by Manduh420 June 15, 2007

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