Around a woman's period - for some its before, some its after, and some its during, they start to go through mood swings and become very emotional. Yes, theyll bitch and blow up at the smallest things out of nowhere and then go back to feeling normal. But also the littlest things can make them cry at times.
"I was PMSing so badly today that when i drove by the cemetery, even though i dont know anybody that has died or is dying, i started crying.
by deja m June 10, 2006
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You NEVER want to be around a girl when she does this, or ask her out around this special time. If you do, she will fucking bitch you out, cuss you out, possibly slap, hit, bite, scratch, you get what I mean. Then the worst thing is the next time you talk to her she acts like she doesn't remeber a fuckin' thing!
PMSing? Me? When!?! Never! Oh by the way sorry I slapped you, scratched your nutsac, ripped off your left nut, shoved my foot up your ass hole, shoved a hot iron down your throat, blew off your hand with a shotgun, twisted your nose with pliers and knocked you unconcious with my dad's PC. I was PMS - I mean, I was grumpy that day.
by butt licka January 8, 2004
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When a woman is hormonal, irrational, moodswingy, bloated, crampy etc. due to the fact that she's on her period or is about to start her period.
boyfriend: hey babe. girlfriend: fuck off. boyfriend: woah, sorry. whats the matter? girlfriend: shuttup you douche bag. boyfriend: whats your problem? girlfriend: you think i'm fat?!?!?! thanks alote bastard. boyfriend: are you pmsing? girlfriend: yes, screw you ass hole! i need some tampons! boyfriend: it's okay babe i'll get you some. (boyfriend leaves to supposedly get tampons). boyfriend: (on cell phone) ahh dude i need to crash crib for a wee, jessica's pmsing!
by passionateone May 28, 2009
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"i'm sorry for calling you a bitch ass cunt face last night, I was PMSing"
by couture77 January 14, 2006
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the reason girls get away with acting like ass holes and are allowed to treat people like shit. also, the reason they can randomly blow up at guys or cry!
beth: those pants make you look like you have two bowling balls shoved up your ass!
Beth: sorry besty! I was just pmsing!
Molly: God damnit Alex! how did you forget our 3 month 2 dayaversarry? I hate you!
Molly: sorry baby you know i love you(bring on the waterworks, total pmsing!)
by springbreakloner March 27, 2009
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Usually before a woman begins her period, sometimes during and after though. She will usually be very emotional and will get angry or mood swingy at the littlest things.
"here is your coffee dear," "how many creamers did you put in it honey?" "I put two, just how you like it" "I LIKE THREE NOT TWO! YOU SHOULD KNOW THAT BY NOW! *starts to tear* YOU DON'T LOVE ME DO YOU!"
*1 week later* "sorry i kicked you out honey, i was PMSing"
by July 9, 2006
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What guys blame every time a girl gets mad at them, even though, most of the time, we have a valid reason for being mad and it's NOT that time of the month.
Barbie: Ken!! Go fuck yourself! I hate you!!

Ken: Barbie, stop PMSing.


Ken: Oh.
by dr.seuss-onym July 5, 2009
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