causes horrid cramps for most girls.
when you hang out with people enough, supposedly you all menstruate at the same time. this is when the crime rate goes up in your neighborhood/area.
girl: don't fuck with me! i'm on my period, asswipe!
2. A useful thing that ends a scentence, that does not exist for most l337 people.
2. "Use a period for once, goddamnit."
No wonder they call it "the monthly curse".
Basically when blood comes out of a womans vagina. Creates cramps and bloating.