The male equivalent of female menstruation. This term is used in the context of a male suffering from PMS-type symptoms (eg crabby, moody, aggressive).
Guy 1: What's wrong with you, man? Why are you so pissed off?

Guy 2: Sorry, I must be due for my monthly nosebleed.
by Busted Hyman July 5, 2006
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Often known as a women's period, coming "once" a month. Also a euphemism for men to say instead of period.
"She must have recieved her monthly bill."

"This chicks freaking ballistic, did she get her monthly bill?"
by D-Volg October 10, 2008
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Elena was rather abrupt in her answers, because she was entertaining her monthly visitor ...
by Queixa March 9, 2012
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When you haven’t had sexual intercourse over a month and you’re trying to keep that goal alive in order to feel content that you are truly not a virgin anymore.
Damn! He’s cute but I want to keep my monthly virginity!
by Rikku59 February 1, 2018
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1. Any moodiness experienced by a woman while she is PMS-ing or on her period
"Oh, don't take Diana's mood swings too seriously...she's just on her monthly grumpies."
by TenkoHime May 15, 2010
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When a chick is on her period and gives her man ass sex till the period is over.
I love my woman's time of the month! I get to put it in her bum during her period. That time is my monthly friend.

Period sex anal analsex
by jayklaw May 19, 2016
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Refers to any of the twelve new bikes that every woman in the world receives for free annually, evenly spaced out over the course of the year.
One of the biggest reasons that a guy has such a hard time understanding women is that they are always given twelve free bikes each year, whereas a guy hasta BUY a new bike any time he wants one. (Well, it MUST be true --- gals are always talking about their **monthly cycle**...!!!)
by QuacksO September 10, 2017
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