butt period 

A term used to describe the male counterpart to female bitchiness and impatience during menstruation. When men get very grouchy or persnickety about certain things, they are said to be on their butt period.

Ricardo: *Touches iPhone*
Austeen: GUYS, DO NOT TOUCH MY FUCKING STUFF. YOU CAN PICK ON ME, JUST DON'T TOUCH MY STUFF! YOU CROSSED A LINE!
Ricardo: Uh-oh, Austeen is on his butt period!

butt period by Larry Finster May 1, 2011

Butt period 

When you take something in the butt and the shits you take for the next several days tear your asshole causing anal bleeding.

"Cool, he stuck his finger in my butt last night and now I have my butt period!"

"That fucking sucks bro!"

Butt period by Meowzers420 March 12, 2014

butt period 

when you bleed out of your butt becuase youre mad/angry/upset. also see pop her cherry.

evan o connor had his butt period when kaki dumped him

butt period by Ian18924 October 19, 2005

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