1 definition by cRoush
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