gurthquake

When someone pulls out their cock and it creates an earthquake when it hits the ground.

Don't pull your pants down, we don't need another gurthquake.

by GurthMaster5000 October 25, 2015

birthquake

An earthquake that occurs on one's birthday.

Danny: Holy cow, did you feel that? It's like the earth knows it's my birthday!
Alex: BIRTHQUAKE!!!!!

by juggleboy January 9, 2010

mirthquake

A violent shuddering of joy, an overwhelming tectonic transposing of ecstasy

Standing in line to recieve the Wii, I had a minor mirthquake.

by Hecuter November 14, 2006

Birthquake

The contractions a woman feels when giving birth.

Woman: Dayum, when I had Chewbacca I thought I was going to explode with the birthquakes!

by BananaBurguer August 20, 2014

Birthquake

This happens when a fat bitch has a baby. Usually caused by a rift in the fatbitchtonic plates.

Nurse: That 'birthquake' measured a 9.8 on the richter scale,
Doctor.

Doctor: Doctor.

by gjkuol09 December 11, 2008

Girth-Quake

When a mans flatulence moves forward instead of back or straight out the cheeks and causes his genitals to vibrate

"Man this leather seat just made me have a girth-quake"

by LolaBunnyyy August 21, 2018

Girth quake

When the bust is unbelievably strong, creating a anomaly that's too much to process.

Person 1:"Bro sam did a girth quake right infront of me yesterday"
Person 2: " fuck im sorry to hear that"

by Slidewayzz December 9, 2020