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 09, 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
Eric: "I am sick and tired of cleaning up your crap, Paul. Keep it on your side of the room!"
Paul: "Woah, sorry dude. No need to manstruate at me- I'll clean it up!"
James: "Dude, what's up with Jeff? He's been really crabby lately."
Harry: "Yea, I know. He's probably manstruating."
Paul: "Woah, sorry dude. No need to manstruate at me- I'll clean it up!"
James: "Dude, what's up with Jeff? He's been really crabby lately."
Harry: "Yea, I know. He's probably manstruating."
by this_is_my_pseudonym October 25, 2010
To be a weepy, cranky, mopey little bitch of a man just like your ex girlfriend acted once a month. Before she left you. For your Dad.
by Uri Bent My Cock. January 31, 2015
by Lancelot1 August 13, 2006