MANstrual cycle 

When a man who is normally quite kind and level headed, goes completely moody and rude for a couple of days. They will have all the moodiness and irritability of a girl on her period, hence MANstrual cycle.

Person 1: Jeez, what's going on with Jim? He's never this moody.

Person 2: it must be his MANstrual cycle.

MANstrual cycle by livelyliv September 1, 2013

manstrual cycle 

The manstrual cycle occurs during a man's special time of the month, when the male becomes extremely irritable and eager for intercourse. But due to his irritability, this week is the time when the most masturbation occurs.

Girfriend- What's wrong with (your name here)
Best Friend- Oh, nothing really, he's on his manstrual cycle.
Girlfriend- Oh, I guess I better lay off, and have sex with him.

manstrual cycle by dustin miner April 8, 2008

Manstrual cycle 

The only thing that can possibly explain what the fuck is wrong with him this time.

Holy shit, Philip, what are you upset about now? It must be your manstrual cycle making you all bat shit crazy again.

Manstrual cycle by Notyourgirl April 26, 2015

Manstrual Cycle 

Man•strual Cycle - when a man is being bitchy, moody, irrational, or the like at anytime. Similar to the menstrual cycle of females.

Dude, you are being such an irrational bipolar bitch; are you on your manstrual cycle or what!?

Manstrual Cycle by Jarhead2275 August 21, 2017

Manstrual Cycle 

The time in wadolesence when the young man regresses to a female likeness. Can develop the following symptoms: Short temperedness, irrationallity, agressive, development of breasts (man boobs), increased sex drive yet a decreased success.

Steer clear of Adam he's at that time in his manstrual cycle.

Manstrual Cycle by Lewis Wandon June 7, 2005

Manstrual cycle 

The periodic bitchy moodiness that men go through, which makes them way more irritable than a female going through PMS, despite the fact their piss poor attitude is accompanied by none of the physical symptoms women experience with their monthly cycle

Did you notice how snippy Blake was today?

Yeah, I think it's that part of his manstrual cycle again.

Manstrual cycle by Faisal.al.shahid December 3, 2022

Manstral Cycle 

when a guy acts like a bitch for several days on end and does so on a regular basis but is an alright person most of the time similar to when a girl is pmsing

dave "hey brian is complaining about not feeling well and doesn't want to go to the bar tonight"
mike "yeah he is on his manstral cycle

Manstral Cycle by Jeeves724 June 9, 2009