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A fine unintentional splurge/spray of dark fecal liquid emitted from the anal cavity within five seconds of having sneezed. Usually lingers as a visible smokey vapor for a short time. Also known as Butt Fog.
Avoid the those grapes, they'll give you some MEGA butt mist. Try the green ones over there.
by thetreegrowschocolate November 22, 2010
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