Top Definition
A fart so deadly it causes the extinction of most life forms in the planet.
This is the latest fringe theory explaining the demise of dinosaurs.
It was brought to light due to the discovery of previously undetected concentrations of fossil dingleberries in late Cretacic strata.
Scientists are afraid of finding the Cosmic Fart's *smoking gun*
by Hugh G Rection April 11, 2005
1 Word related to cosmic fart

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