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8.
when a man puts his hands or face in a womans breasts and shakes them vilontly.
last night that dude jake earthquaked me
by really walsh May 20, 2008
 
9.
When you put your ass during sex up against the females and you fart and shit on her ass it's called an Earthquake.
Last night James earthquaked Kevin.
by RickJamesbitch69bitch July 10, 2008