When your stomach, or intestines, make a sound that resembles a fart.

To be a true stomach fart, you must feel it happening
*fart noise*

Guy 1: Dude, did you just fart?

Guy 2: No, but my stomach did

Guy 1: Oh must have been a stomach fart. What did you eat?
by softball_player August 30, 2009
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The growling sound your stomach makes when you're hungry and haven't eaten in a while. Sounds like your ass cheeks are attempting to squelch a wet fart on it's way out your ass hole. Stomach farts don't smell like anything, but they sound eerily similar to real farts and are actually much harder to conceal. Comparable to the sound of a blue whale's mating call; stomach farts are known to be exceptionally loud during test days and moments of silence.
I ripped the loudest stomach fart in class today. Even the teacher heard it.
by frothynipples March 9, 2020
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stomach fart sounds is blowing on the stomach and making fart sounds.
by sweetladyT December 6, 2015
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