When sitting on a couch with a friend you fart so hard it rumbles all the cushions on the couch. Resulting in a vibration under yours and your friends butt.
Friend 1: makes a loud rumbling fart on the couch
Friend 2: Hey what was that!
Friend 1: Sorry yo! You just experienced a california couch quake
Friend 2: Hey what was that!
Friend 1: Sorry yo! You just experienced a california couch quake
by solomynolo June 28, 2012

by Maya Padilla September 29, 2008

by raunchyraul May 15, 2022

1. grayson dolan just posted a shirtless pic... tana mongeau is quaking right now
2.my boyfriend just blocked me on twitter. tana mongeau is quaking right now.
2.my boyfriend just blocked me on twitter. tana mongeau is quaking right now.
by graysongirl99 August 9, 2017

by shay-zizzel January 18, 2011

An earthquake in Australia with a magnitude ranging between 2.3 - 4.8 which usually occurs when Bebahan(Hannah) uploads a beautiful or sexy new picture.
by gzxy June 29, 2023

Any Activity and or exercise that focuses largely on a persons legs, specifically the quads. Thus making them quake and quiver out of fatigue.
by LemmeCopThat August 15, 2019
