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.

The pains, cramps, and aches associated with a woman's menstrual cycle.

1: a specified amount of time
2: a window of time that a woman experiences agony in their unchartered territory and can last long, usually noticed by blood stains because the vagina is leaking blood

3: ... a dot terminating the sentence

Verb:Per-i-od-ing

An act of canceling any parties or meetings for 3-4 days because of the awful cramps and pain in your crotch that midol cant help.

My best excuse to getting out of Phys Ed.....

Horrible pain only women understand.

when us ladies bleed out of our vaginas on a monthly basis. it lasts about a week on average and may cause you to sit at an awkward angle when you're in school.
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.