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1. The state of one's nutsack when they are extremely sweaty, moist, and have past the point of sticking to your leg and now slide freely against the thigh. 2. The condition of one's nutsack when swamp ass has progressed past your taint and engulfed the entire pubic region.
After a long day of tailgating Stilts regretfully announced that his swamp ass was so bad he now had jungle sack!
by mobiusONE October 06, 2010
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