Top Definition
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 29, 2009
10 Words related to Stomach fart

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