The act of lifting ones ass and releasing, causing the whole house to shake with fury.
"Oh my god we're under attack!"
"Why?"
"The whole house shook!"
"Is Kerryann home?"
"Yea, why?"
"It was an assquake... she's an assquaker."
"Oh I thought so."
by Mr. LunchBox December 03, 2006
The result of excessive booty-clappin goodness. Rates from 5 to 9 on the richter scale. Most recent account of an 'assquake" dates to Junes 24, 2012. JeneQua Jones III "stripper name - Seductive J" was in violation of excessive booty-clappin. 3 where killed in this incident.
Guy: "dude my girlfriend gave me a lap-dance last night."
Friend: "are you kidding me? thats awesome!"
Guy: "yeah she went so hard she caused an "assquake".
by magic_d12345 July 03, 2012
The kind of fart that moves soil.
Geez Gary, that ass-quake of yours had enough power to knock a seagull off a trash can!
by Jaron W. August 22, 2005
a a fat woman who farts and causes natural disasters

"damn you just made an assquake"
by Amanda is awesome May 02, 2008
a very violent expulsion of fecal matter - also called a shitquake.
if you need an example, you are truly a sick fuck.
by Mythical Beast February 17, 2005

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