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1. The female equivalent of swamp ass.

2. The layer of sweat, slime, etc. that accumulates in a woman's ass crack on a hot summer's day.

3. A sweaty condition existing in a woman's ass region. Amplified during exertion and in particularly hot and humid weather.
I normally like to eat out an ass, but after she got back from the gym she had some nasty trunk funk going on so I went with the stinky pinky instead.
by Darnydb July 19, 2010
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