A thought fart is a thought that lingers. It weighs on your mind.

And it's birthed from a ponder.

Very similar to a mind fart but a mind fart is maybe more expansive.
Examples of a thought fart are

I am stirred by disturbances that have yet to disturb.

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Have you ever heard the knock, ahead of time? A premonition, a knowingness.
by Bedouin Baby May 10, 2017
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