Period 1 

The period in which it is time to screw around and become awake from just getting to school.

man im tired. Don't worry its period 1.

Period 1 by brosepie December 16, 2005

MAX.(period)

MAX.(period) is the third remix of MAX 300, and is rumored to be the most difficult Dance Dance Revolution (DDR) song. This 10-footer can reach up to 600 beats per minute. On Light and Standard, it retains a high 9-foot rating.

MAX.(period) is impossible to beat!

MAX.(period) by Angelic April 12, 2004

period 

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

period by Tommy Vancouver August 21, 2009

Periodusagitis 

Inflammation of the overuse of the period.

"The American Media suffers from a clear case of Periodusageitis."

Periodusagitis by Brownsvillegirl May 24, 2005

period saved 

Is an event when a girl finally gets her period after having sex for the past month and is thankful she isn't pregnant.

"I had drunk sex with Joey last night, I'm so afraid I'm pregnant."
"Yeah, that happened to me too, but I just got period saved so it's all good."

period saved by alex3 January 20, 2014

period turtle 

Someone you don't like at all, for no apparent reason.

Look at that random person across the street. Gosh, I hate him. He's such a period turtle.

period turtle by Sir Walter Postofficeism February 24, 2014

period war 

When two girls who are on their periods hang out and are exceptionally bitchy to each other

Man I'm sure Sierra and Hannah had a period war last week.

period war by Rodericlaw5 June 24, 2014