the time when blood and liquid flows out of the vagina, starts between age of 12-16 for most girls, some later, earlier.

Don't DARE to talk about this to your girlfriend
Her period began last week
by 7 Train January 27, 2004
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Funniest thing ever. Tell your guy friends all about it, it makes them squirm and gives you power over them.
DJ: whut
Carla: Yesterday.... I sneezed... and my period flooded 8D
DJ: D: ewwwwww
by adghsrgjsjgfg April 04, 2009
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A monthly cycle every girl goes through, which can sometimes cause, cramps, bloating, fatigue.
Stacy: is your stomach hurting?
Kayla: Yes and i feel bloated and tired.
Stacy: Well that explains the blood on your pants...
Kayla: oh shit my period is here!
by Invisiblewoman646 November 16, 2008
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1. A monthly cycle a female goes through, where the lining from the uterus is shed through the vagina. Overall, periods are what enable a woman to produce children; before receiving her firt period, she is unable to. Usually, the period lasts anywhere from 2 to 7 days, and it starts when a girl is usually aged 10 to 14. Women get their monthy period untill around 50 or 60. Although some women can get moody, and receive upper leg cramps and tender breasts throughout their period, not every woman experiences this.

2. Punctuation used to indicate the end of a sentence. The period looks like so; . and can be replaced by an exclamation mark or question mark, which express different emotions in a sentence. A period shows a regular sentence, whereas an exlcamation mark shows surprize or excitement, and a question mark is placed after a question.

3. A certain length of time. "Period" overall is used to describe time; such as "a period of pain." "Span", such as a "span of 4 hours" is a synonym for period.
1. "My monthly period is finally over!"
2. "A period is used at the end of a sentence, such as this one."
1) "The period where a young person's body changes rapidly and greatly is called puberty."
2) "1:00am to 6:00am was a period of pain for me last night, as I woke up and could not get back to sleep."
3) "Sharks migrate to the north oceans in a period of about 10 days."
by EditorialStar June 13, 2007
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the hell that a woman has to go through once a month, when she bleeds like a stuck pig through her vagina. It's really gross and prevents some people from having sex during their week. Not only that, but she gets fat (bloated), has tummy aches (cramps), and is tired all at the same time. It also makes her moody. So everytime a woman gets mad at a man, his response is always, "Oh, so you're on your period AGAIN?!?!" It's awful. We go through all that just so we can have kids. Ugh.
"baby, lets have sex."-man
"not tonight. I'm om my period."-woman
by sillybillybob June 07, 2009
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put simply, what you saw in 28 days later applied to women, they enter a state of perpetual intense rage and begin spewing blood while attempting to rip shreds out of the uninfected (the men). luckily it does not contaminate on contact.
period infection stage -
man: you know <woman>.. its such a nice night..
woman: $!&~%!!!!
man: holy-
"ahhhhhgtklhky!!!" *tear, rip, bite...gargle*
.....*angry breathing*...
by euanftw January 12, 2008
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that miracle time of the month ~ for the gal pal woman hood 'round the world. or that red curse that makes your fucking life a pain. and that ruby gunk that colides with your emotional roller coaster. either way its apart of a chick's life.
Not tonite i got my period you ass.
by Cherry Popper Know It All June 16, 2006
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That thing your girlfriend gets so you can't play video games while she's at your house
God dammit. My girlfriend got her period and now I can't play on X-Box Live
by Tommy Vancouver August 21, 2009
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