"Because periods suck!

And commas rule!

This is Sex Education, not grammar fool!"

-I Set My Friends on Fire & Smosh
by Atlas15 May 11, 2010
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That time of the month when a female looks up into the sky, sees a full moon and turns into a werewolf. The week of the full moon, the woman is expected to seem very agitated and moody. Be warned: prolonged exposure may lead to serious injury or death!
The period of time that, at the sight of the full moon, the woman transforms into a furry beast and destroys all insight.
by Yrac Rotceps May 30, 2011
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Fuckin bullshit that runs down your leg after taking a shower once a month for a fucking week.
Girl:*gets out of shower*
Period:*here I come bitch*
by Fuck off you stupid cunt November 16, 2018
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A time a woman's vagina bleeds. It's annoying to both males and females.

Will often cause a girl to go from calm and sane (well, at least as calm and sane as a girl can get) to violent, batshit insane and irrational.

Note to all guys: Stay the fuck away from a girl on her period unless you like getting hulk smashed 20 feet below the ground.
"Jenny is on her period."
"Yeah?"
"Yeah. I'm now missing 7 teeth and an eyeball."
by rico567 June 29, 2009
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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 5, 2012
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