Fatquake 

When fat jiggles on cats. Usually caused by a human lightly running their fingertips along the fur of a fat cat.

Oh my god, look at the fatquake!

Fatquake by someone just fatquaked April 15, 2014

fartquake 

Seismic vibrations that can be triggered by a powerful fart. Most commonly felt through the floor or couch.

Lee set off a fartquake that nearly rattled my teeth out.

fartquake by skintlizerd October 17, 2008

fapquake 

Verb:

to tremble or shake the earth due to the motion of masturbating.

Noun:
A tremble of the earth due to the motion of masturbating

Verb:

Yesterday, Derek fapqauked 1500 miles away.

The earth was fapquaked because of Derek.

Noun:

I sensed his fapquake from here!

fapquake by Laishi MacTourment November 18, 2010

fat-quake 

An earthquake created by the movement of fat people.

Bob started dancing and caused a fat-quake.

fat-quake by yeetlord0222 December 27, 2018

Fartquake 

Laying ass to ass with your partner and farting

She wanted to lay down and spoon, but I said turn around and let’s fartquake

Fartquake by TheRiz February 15, 2018

Fartquake 

When someone farts so hard the vibrations make it look like they’re twerking

She kept dancing to try to hide her fartquake but everyone knew

Fartquake by Scoobyboo May 28, 2018