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3.
When your testicles stick to the side of your leg because it is so humid outside.
I got swamp but like a motherfucker!
by Steve March 01, 2005
 
1.
1. the seaty feeling on one's scrotum after a hot day, or a long time without a shower.
2. nuts that are very sweaty ( preferably gluey old sweat)
i need to shower - i've got swamp nuts.
by minghi September 27, 2003
 
2.
The condition associated with posessing a really sweaty ballsack.
As if the vinyl seat and the lie detector hooked to my arm weren't cause enough for swampnuts, the detective also closed all the windows and brought in a space heater.
by Spitty in the City June 20, 2008