1. Term given for a phantom menstruation derived from the male gender in support of female menstruation, considered as a leap forward in gender parity in the workplace
1. Example: There is to be statutory DNA testing in the office due to traces of menstruation in the ladies lavatories. To conform with new workplace regulations men will also be required to provide their own "manstruation" samples
by wilbur smith February 14, 2013
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.
Also known as man-cycle.
by Manduh420 June 15, 2007
Like a female period (or menstuating) but when it occurs in a man, and he becomes bitchy, annoying and changes his mood every 20 seconds
by Jackie Bennet February 5, 2009
anytime a man is acting like a girl i.e emotional, irrational, etc.. its is said that they are manstruating
by nicas4life July 6, 2008
A monthly three to five day period when a man seems particularly moody, weak, emotional or indecisive.
Dude 1: "Hey, have you talked to Jeremy lately? He started to cry when I told him he had a flat."
Dude 2: "Oh, leave Jeremy alone. He's manstruating. He'll be better in a couple of days."
Dude 2: "Oh, leave Jeremy alone. He's manstruating. He'll be better in a couple of days."
by Robert the Great February 5, 2013
This would be the male version of menstruation. This word can be used when a man is acting like a vagina, or a d-bag.
Keith was mad at Rick for saying something rude. To everyone else Ricks comment was not rude, but true. Keith, acting like a women over something stupid, is said to be manstruating. This happens often. Manstruation is for lamers.
by cRoush May 9, 2008
A homosexual man who bleeds from the rectum once a month; generally believed to be a psychosomatic effect on only the gayest of the gays.
Yo bitch, is it that time of the month? F-cking manstruation again. I don't mind poop dick, but the bloody poop is such a clash of colors.
by pornhorn55 January 10, 2010