When someone farts but the fart stays in their butt for a few seconds, makes their butt jiggle, then comes out as a giant nuclear explosion.
by Rynoxious March 24, 2018
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When you're about to fart but it stays in your butthole for about 5 - 6 seconds. But then comes out as a massive explosion
Josh: Wow! i just pulled a fart jiggle.

michael: Sexy!
by IIRiktorII March 22, 2018
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An inside joke. No stranger shall say the two words together.
Did you blow a fart jiggle?
by M8Bit November 10, 2018
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