A condition caused by perspiration on the scrotal sac; derived from the combination of the words Sweaty and Balls.  Can lead to nut rot.
by Upper Decker December 26, 2005
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Get the swallsmug. by Dyllon Franks August 28, 2008
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Get the swallsmug. by Smickers March 30, 2004
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Get the swallmug. by anonymous March 26, 2003
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Get the Swallsmug. by lkh96 October 24, 2009
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