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
When a man is "on the rag."
by Hophead July 11, 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
by Scordinosaur February 20, 2010
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
When a male is in a mood considered grumpy or lonely.
Usually occurs once a month.
Manstruation is very bothersome to all of this particular male's friends.
a.k.a. Man Period
Usually occurs once a month.
Manstruation is very bothersome to all of this particular male's friends.
a.k.a. Man Period
by DrCakeMan64 January 29, 2014