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

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

period butt 

Bowl-related side effects of menstruation. Particularly miserable periods can cause severe gas, constipation and diarrhea in the same day. Cramping can further confuse the situation. All of this can of course also lead to nausea. This particular set of conditions is known as period butt.

Alice's period butt prevented her from making plans that day because she didn't know what needed to happen or how long it would take.

"Ugghhh... I've got period butt."

period butt by BrazilianCowboys January 25, 2016

Period-squirts 

When a female is on her period and farts, the blood often makes a noise once the gas from the anus hits it, making it sound like a squirt.

Angie: * Period-squirts*

Lucy: "OMG WAS THAT SHIT!?"

Angie: "NO! I'M ON MY PERIOD!"

Lucy: "Oh! It must have been Period-squirts . My bad!

Period-squirts by Kazcaz September 6, 2016

period mode 

My teacher today in class.

shes on period mode

period mode by Yourleftnut21 July 22, 2016