verb: a. when a guy bleeds from his ass every time he takes a poo due to one or more anal fissures

b. to be in a bad mood all day from the pain of ripping your anal fissure again and bleeding like a girl simply because you have to do your business

a. I really need to see about this. When I manstruate twice a day the pain is almost unbearable, and now I think I'm going anemic.

b. Sorry, I didn't mean to bite your head off like that. I manstruate daily now, and it's starting to work on my self-esteem.
by sisyphusticated August 10, 2007
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Noun; The periodic discharge of blood and mucosal tissue from the uterus, occurring approximately monthly from puberty to menopause in nonpregnant women claiming to be men.
"Wait, why did Levi get to go home?" - "He was feeling ill; it's his monthly manstruation period..."
by Biomechannibal January 17, 2022
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That unpredictable period of time that a man gets unexplainably irritable, similar to PMS.
I don't know, everything just seemed to piss me off! My family could do no right! It must be my time of manstruation.
by Extremejutsu February 5, 2023
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When a guy is having period sex with a girl and get blood all over his dick and bed
Dude, I had period sex with a girl and the manstruation was soooo bad
by graqamole March 22, 2016
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