Perio'd 

The action of a female having their period on any object or substance other than a tampon or pad.
A practice largely popularized from the movie 'Superbad'.

Dude, she just perio'd on your leg!

Perio'd by benefitofadoubt March 14, 2011

perino'd 

Hit by anything Karmic you didn't see coming.

Dana Perino was perino'd by an invisible microphone during ex-President Bush's attempted Shoe Assassination in Iraq on Dec 14, 2008.

I thought I had gotten away clean running my money laundering operation when the IRS perino'd me.

perino'd by BayAreaWillI December 20, 2008

2-D period 

When a period is light enough that it only produces a very liquified waste; the viscosity of a 2-D period is extremely thin

Boy: "Hey how's your period?"
Girl: "Light enough that we can have sex, it's only a 2-D period"

2-D period by ShortStuff801 April 18, 2015

3-d period 

When a period is so heavy that it's thick and chunky

Boy: "Hey wanna have period sex?"
Girl: "We really shouldn't, this is a 3-D period"

3-d period by ShortStuff801 April 18, 2015

Period Drill 

A drill one can undergo with their pre-teen daughter to prepare for the onset of menses.

I thought my daughter was having her period, so we did a period drill. Turns out she wasn't, but now we know exactly what to do.

Period Drill by productman July 16, 2016

period diarrhea 

the act of having uncontrollable nasty, foul, explosive diarrhea while in the midst of your special monthly visitor.

(1)"i just period diarrhea-ed that toilet like no other!"

(2) Shana: "i period diarrhea'd my skirt. it's all in my skirt."

period diarrhea by thedonna69 February 4, 2010

Period Denial 

When you've been on the IUD for so long sans the monthly blood tsunami, you forget periods existed. Until finally, one day it returns and you realize god's sexism cannot be triumphed by science.

Susan sleeps on a Japanese flag every night due to period denial.

Period Denial by pwubby December 20, 2020