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A natural cycle that occurs within the female body every 26-30 days. Each month, an egg travels from the ovaries into the uterus, waiting for fertilisation. A lining of blood, tissue and mucus is built up during the month as a support for a embryo. If the egg is not fertilised, the linging will break down and, along with egg, will be flushed out the vagina for a duration of 3-9 days.
Bloating, cramping and mood-swings are sings of PMS/PMT.
'I got my first period today.'
by deranged December 31, 2005
193 90
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
155 65
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
140 50
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
107 28
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
103 25
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
139 63
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
126 60