A portion of a hockey game. There are three periods of 20 minutes each; if the score is tied at the end of the third period, there will be one or more overtime periods.
After the second period, I went to the washroom.
by RexGibson January 31, 2004

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Periods
P - Psychiatric
E - Evaluation
R - Required
I - Insane
O - Occasionally
D - Dangerous
S - Sicko

PMSFL
P - Pre
M - Menstrual
S - Syndrome's
F - Fuckin
L - Lethal

Recurring cycle of physical changes that occurs in reproductive age females.
Take your hands into your own life if you go near a maniac female who’s having her periods. Take my advice and run like fuck at this time of the month

Psychiatric Evaluation Required Insane Occasionally Dangerous Sicko
Pre Menstrual Syndrome’s Fuckin Lethal
Psychiatric evaluation required insane occationally dangerous woman with her monthly periods

Pre menstrual syndrome's fuckin lethal
PMSFL – Pissin My Self Fuckin Laughin
by TERRIFIED MAN February 27, 2008

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....Uterus wants baby.
Person doesn't have baby.
Uterus wants revenge
I'm having my period, you know, the thing that makes babies before making babies.
by falloutnaluatthetardis March 08, 2015

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The period refers to the timepoint in which all reality stops and begins to revolve around a woman's vulva. This is a point in time, where holy lambs gallop ferociously while fire attacks their soft, flammable wool. Where unborn fetuses scream and beg comprehensively for another chance and even the most unholy of satanic worshippers lay down to die as fiery planets soar across the sky. Red rivers of fresh, meaty blood , this is where uncreated child dreams commit suicide and serial killers boil their corrupted minds in a large black pot, over intense, searing flames of hate, pain, and aggression.
by Herbyshire May 05, 2013

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The action of a female having their period on any object or substance other than a tampon or pad.
A practice largely popularized from the movie 'Superbad'.
Dude, she just perio'd on your leg!
by benefitofadoubt February 27, 2011

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Hell designed specifically for women to give them pain and punishment. Something that seems exciting when your 12 but when you actually get it you hate it.
Hannah was moaning in pain so Allie said whats wrong hannah" and Hannah said 'I got my period"
by Emma_The_Sexy_Bitch March 07, 2013

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THE WORST TIME OF EACH MONTH!
Where blood exits from the woman's vagina. Usually because the egg got stood up by the sperm, which causes the lining of the uterus to shed, causing blood to leave through the vagina.

WARNING'S FOR GUYS: If a girl is on or about to be on her period, stay the FUCK away from her. I don't give a shit if you're married/dating her, stay AWAY! Don't joke/laugh about it or you'll have a black eye and a swollen dick.

Have a nice day. xD

SYMPTOMS: Fatigue, bloating, cramps, increase in hunger, increase in sleep, brown or heavy discharge(Brown discharge is dried up blood.), bitchy, mood swings, pimples, and breasts start to grow more.

SIGNS OF A FIRST PERIOD: Increase in sleep, increase in hunger, lower abdomen pain, moody, increase in pimples, horny, breasts are sore/or tender, breasts start to grow more, and finally. BLOOD IN PANTIES!

Ta-ta! C:

(I'm a girl who has NOT started her periodscore! -.-)
Davie: Hey babe. *Touches Leslie's boobs*
Leslie: *Grabs his wrist and twists it*.
Davie: WDF??? O_o
Leslie: I'm so so SO sorry, babe. D:
Davie:....Lemme guess. You on yo period? o.o
Leslie: >:O YESSSSS! Shit! Wdf is wrong with it? Huh? Huh? HUH????? :O
Davie: *Backs away very sssssllllllllooooowwwwwwllllllllyyyy*......o_o
by imatrollxD March 05, 2012

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1) an amount of time
2) a circle used to end a sentence

3) 40 minutes

example- .
1) The golden period was a nice one
2) Use a period
3) This period feels short
by itz_kidz June 05, 2016

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