The phenomenon of violent vibration and shaking inside of one's house due to the unstable load or poor feet adjustment of a washing machine or dryer.
Dude the windows in the house rattled so bad the glass fell out of the frames! It was a North Carolina Earthquake it was a 8.3 on the sphincter scale!!!
by Buzzard lips February 20, 2021
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Something that tastes good to say according to a reddit user doing an AMA about being able to taste words.
Cain: I heard you can taste words. What words taste the best?

Abel: Moist earthquake.

Cain: *Picks up rock*
by Salmonellq September 10, 2019
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When you put your penis between the thighs of a very gassy woman and she farts on it.
Joseph’s girlfriend was very gassy so he asked her for a Pennsylvania Earthquake.
by Crystal_Steck-Special January 19, 2021
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When a drunk fat bitch falls down too fast and creates an earthquake in the southern hemisphere.
"Damn, that girl had a chilian earthquake so hard at the party last night that I put it on my finsta."
by Landscape Barbie May 26, 2017
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The shaking a bed makes from the passionate love making of two or more dudes.
He got up trembling after experiencing his first California Earthquake. Not that there's anything wrong with that.
by NavyDrew June 11, 2016
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