periodal 

A woman's behavior during her period (moody, super emotional, abnormally jealous, etc)

Girlfriend: Why would you play a joke on me like your cheating? You know I'm all periodal and shit.
Boyfriend: Periodal already? Dayyyum

periodal by msdirt40 October 25, 2013

period stalker 

when two women are in close confines and their period cycles sync together. especially when one woman is on birth control and has a set time for her period, the other woman becomes a period stalker.

Oh my god, Chelsea, don't be such a period stalker, it's creeping me out.

period stalker by deavon982 November 4, 2013

Period blackout 

When a girl is on her period and blacks out with with rage due to cramps and hormones. Period blackouts occasionally result in shame hangovers the following day

My girlfriend had a period blackout last night and punched me in the face.

Period blackout by Sht99ht March 9, 2014

perioded 

Verb. During a woman's menses when her blood and other matter is discharged from her uterus and she is unprotected (with a tampon, pad or other device) and leaves unwanted traces (underwear stains, etc.).

Dude. It was so sick. I woke up the next morning to find out that bitch had perioded all over my new sheets.

perioded by AlythiahTheGreat June 17, 2014

Period Perception 

When a woman's judgement and feeling toward another person is changed due to their period.

S: So my friends girlfriend went to the show with us tonight

J: ugh. I hate her.

S: you've never met her....
J: i probably don't hate her. It's just period perception

Period Perception by SKurp December 1, 2014

Period Couple 

a boyfriend and girlfriend who both appear to be on their period when they are with or without each other.

Yo, Sarah and Timmy are a period couple!

Period Couple by Fuck yes May 21, 2015

Period Wasted 

Feeling Faint, Sick, Tired, Awful! Etc

Girl 1 - "Ugh I Feel Like Fainting & These Cramps!"
Girl 2 - "Omg! Your juss Period Wasted 💁🏼"

Period Wasted by Amethyst Ferland October 4, 2015