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1 definition by UlyssesSGrant

 
1.
When your stomach makes a farting sound and it's not a fart but it sounds like one. Known to cause embarrassment.

Originated from the combination of the squelching sound your stomach makes that resembles a fart: squelching stomach fart = squart.
I drank my water too quickly, and my stomach squarted.
by UlyssesSGrant December 29, 2012