a male bitching about something and acting childish and rude to people.
ipv6freely/Chris is having his man-periods once more.
by binary-zero February 9, 2010
A man who going through a phase where he is easily emotional, irritated, horny, tired, or any mental side effects of a women’s period.
why is chris being so emotional and annoying today, he must me on his Man period.
by April 26, 2021
The sole and absolute male counterpart to pms in females. Multiple changes in behaviour(s) at various times in the month is characteristic of this affliction.

Symptoms Include:
-fear of reality
-abrupt irritibility
-unwillingness to solve problems
-inconsiderate, yet expects you to be excessively considerate to his feelings
-displays momentary regression back to childish nature(‘little boy syndrome’)
-argumentative but totally still wants to sleep with/do you @ the end of the day
-onset of inwardness
-inconsiderate, yet expects you to be excessively considerate to his feelings
-sporadic moments where he cares again, but doesnt actually mean it
-failure to initiate the apology and or admitting wrongfulness
-purposely goes out of the way to frustrate others(*See ‘little boy syndrome’ above; ie. If he’s miserable, EVERYONE else has to be)
-clearly shows signs of holding onto young man angst(and all things EMO) and behaving like such a little douchebag because of it
-the OPPOSITE of helpful
"You should totally ask your boyfriend if he has his man period right now as that would explain a lot."

"Well anyways, I explained the situation to him and hopefully he's not secretly angry..he hasn't replied yet..I suspect man period is the culprit."
by shanellek February 19, 2007
n. When a man has all the syndrom's of a P.M.S.
Man, my teacher was having a major man period today when I didn't hand in my homework.
by Alecandro12 March 12, 2011
Males seem to have a "period" as like females.
None of the bleeding syndormes but the mood swings and high level of irriation.

man period symtoms
-Yelling,shouting constantly
-storming off in a mad /anger mannor
-making others feel guilty
-seeming to think that their always right
-savere mood swings
-irritated more than usual
-non willing to addmit they did something wrong
-more than the usual food consumption
-more emotional intake
by group_of_fariys June 17, 2009
A natural occurrence in males around every 3-6 months where hormone levels, both testosterone and oestrogen, are higher than usual. This often manifests itself in mood swings and/or general lethargy.
1: "What's wrong?"
2: "I dunno, just kind of down."
1: "What's up?"
2: "Nothing, just feeling down. Don't know why, must be on my man period."
by MrCfR January 9, 2010
Shane Mc -

Symptoms -

-To act as a little boy stropping
-Never admits being wrong

-Expects you to agree with everything
-Expects an opinion off you, but unless it isnt his then it dont matter

-Shouts trying to be the alpha male, however, looks even more like a little boy

This doesnt matter as he has a giant penis and knows how to use it.
A 22year old acting like a 4year old. man period
by AJWplz October 16, 2009