(Pre Menstral Sydrome)

The time of the month when a girl has her period. She becomes bloated has stomach aches, head aches, becomes moody because her hormones go fucking crazy (remember being a teenager?), and to top it all off, bleeds uncontrollably out her vagina. This can begin as early as age eight (Nature is an unforgiving bitch) or as late as the age sixteen (Nature taugths those who got their curse in third grade) Sometimes earlier or later.

Most men often do not understand this because they have never expirenced it and often say that she is just being a bitchy cunt because she can be.
(btw most guys that I met that even have a small headcold are really bitchy and lash out at every one so I think that men would be way worse then women at having PMS, but maybe thats just the guys I know)
by Sparkiee February 3, 2008
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Pre-Menstrual Syndrome. An array of symptoms that comes from a hormonal upset as a woman's body prepares to either become pregnant or expel an unfertilized ovary. Can involve cramping, water retention, mood swings, spontaneous stimulation, etc.
PMS is no fun for anyone.
by ke6isf July 9, 2004
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Most people believe it to mean Premenstrual Syndrome, however upon closer examination one will realize it is more closely translated as Present Menstrual Syndrome, as the symptoms carry on through the entire time a women is on her period.

Me:
I have PMS.
You:
Wait, but your period already started.
Me:
Yes, I have Present Menstrual Syndrome.
You:
Oh. Fuck that.
by crzywildchick804 May 28, 2008
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P: Pre. M:Menstrual. S: Syndrome

Also...
Part Monster Syndrome
Pity Me Syndrome
Pain and Murder Syndrome

Lotsa syndromes...

PMS is when a girl's (who has gone through puberty but not reached menopause) uterus sheds its nasty ol' layer of mucus and blood because her egg hasnt been fertilized that month. That's the technical term.

Here's what it means for us guys out there: WATCH YOUR BACK. These crazy moodswings and temper tantrums will get you to hell faster then you can say "PLEASEDONTSTABMEWITHTHEKNIFE". Just stay back and don't try to help, cuz that makes it worse. You really can't fix it, and then the girl just gets all pshycho bitch sensitive and either A. Shuns you B. Yells at you C. Starts crying or D. Pulls out her concealed weapon. PMS is something girls gotta live with and guys gotta live with (yes, i acknowledge that girls have the worse part of the deal, but A. that is not our fault so don't take it out on us and B. we can't do anything about it so don't take it out on us even more for trying our best to help.)
Girl: Oucheeee i have cramps!
Guy: Aww baby lemme try and make you fell a lil better!
Girl:...what did you say?
Guy:I just said i wanted to make you feel better =)
Girl: DON'T EVEN TRY, OK? GOD MEN ARE SO INSENSITIVE. CAN'T YOU SEE I'M IN PAIN??!?!
Guy: I know you are, I'm just trying to help!
Girl: Pulls out concealed weapon (told you she'd do it!) GET OUT!!!!!!
Guy: This is my house...
Girl: Don't get sassy with me!
Guy:...?
Girl: *sigh* I'm so tired! (collapses on floor)
Guy: Are you ok???
Girl: *Wakes up* how DARE you wake me up from my nap! *starts crying* I love you so damn much!
Guy: What the hell
Girl: DON'T YELL AT ME!
Guy: I'm outta here...
Girl: DON'T LEAVE ME PLEASE! I'M SO LONELY!!!...hmmm I WANT SOME CAKE. No, i'm too fat! Am I too fat? YOU THINK I'M FAT!
Guy: I'll be back in a week...*shakes fist angrily* CURSE YOU PMS!!!
by Iwishihadapineapple May 7, 2008
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a time when you should avoid all women; major moodswings; i.e. watch your back, ho.
Girl: I hate you!
Boy: What did I do?
Girl: Oh my god, I love you!
Boy: What?
by RENThead006 October 14, 2003
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Something guys think THEY have to deal with.
God, that bitch is PMSing again.
by Jenny Shaw January 15, 2007
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1. A time that is far more unpleasant for women than for men.

2. The reason the pill is such a blessing.
If you felt like this, you'd be grumpy too.

The pill = skippable periods = no PMS
by _plethora_ January 24, 2008
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