When a gay male has Diarrhea, thus claiming to be unable to have buttsex, similar to females not wanting to have sex because of their period.
by cumslutmilf69 August 24, 2018

The scientifically proven phenomenon where women, who live and spend time together frequently, develop similar menstrual cycles as each other. The cause is yet to be determined.
by FIFA Overlord March 10, 2016

by lenny732 July 22, 2017

A mix of songs, either a tape or CD, to help your girlfriend or a female friend feel better while she is on her period.
From the movie "No Strings Attached" (2011)
Adam: I understand what's going on. You're all on the same cycle. This is very exciting. Your uterine walls will be shedding for the next three to five days.
Shira: Nice memorization. Did you Google that?
Adam: I may have. Because you're women. And I think that's a beautiful thing. Oh...
(takes out a CD)
Adam: I also made you this.
(hands it to Emma)
Adam: To help soothe your womb.
Patrice: It's a mix!..."Even Flow." "Red, Red Wine."
Shira: "Sunday Bloody Sunday"?
Emma: Adam. You made me... a period mix?
Guy: That's so romantic!
Patrice: Frank Sinatra, "I've Got the World on a String"!
Adam: That's the doozy.
Adam: I understand what's going on. You're all on the same cycle. This is very exciting. Your uterine walls will be shedding for the next three to five days.
Shira: Nice memorization. Did you Google that?
Adam: I may have. Because you're women. And I think that's a beautiful thing. Oh...
(takes out a CD)
Adam: I also made you this.
(hands it to Emma)
Adam: To help soothe your womb.
Patrice: It's a mix!..."Even Flow." "Red, Red Wine."
Shira: "Sunday Bloody Sunday"?
Emma: Adam. You made me... a period mix?
Guy: That's so romantic!
Patrice: Frank Sinatra, "I've Got the World on a String"!
Adam: That's the doozy.
by wallovt April 22, 2012

The dump a female takes not because she actually has to but because her period makes her need to. This is due to the hormones that signal the release of the lining of the uterus also signalling the gastro system, making the bowels move more.
Jake: "Why did you take so long to get here?! I was waiting forever!"
Tina: "Sorry but I had to take a period shit."
*awkward silence ensues*
Tina: "That's right. You're not getting any tonight."
Tina: "Sorry but I had to take a period shit."
*awkward silence ensues*
Tina: "That's right. You're not getting any tonight."
by XenXen June 19, 2010

Guy 1: I did a reverse period into my girl last night
Guy 2: Are you ok?
Guy 1: I'm currently at the hospital
Guy 2: Are you ok?
Guy 1: I'm currently at the hospital
by Backseat_Driver August 27, 2019

The slight swelling and sensitivity of the breasts which a woman experiences for a few days, just before having her menstruation.
The word "periodical" refers to both the cause of the increase in size and the short duration.
As opposed to "major boobage", the effect is minor and temporary.
The word "periodical" refers to both the cause of the increase in size and the short duration.
As opposed to "major boobage", the effect is minor and temporary.
Man: Wow! Your breasts have really gotten bigger! Did you get implants?
Woman: No, they are only periodical boobs. They'll be back to normal in a few days.
Woman: No, they are only periodical boobs. They'll be back to normal in a few days.
by akalisa April 22, 2010
