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

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

MANstrul Cycle 

That period of time (usually once a month) where men are OVERLY bitchy.

Ex. My husband is being such an asshole....I think he's having his MANstrul cycle

MANstrul Cycle by fenicheshawtybad November 22, 2011

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