1 definition by Joseph A

Top Definition
A skimpy pair of underwear for men that barely keeps in the man's genitals. Often appears in lepard print and is made out of a silky material.
After showering at the gym, John put on his nut sling and sat around the locker room talking to old naked men.

Old men love to parade around the lake in nothing but a nut sling.
by Joseph A September 16, 2006
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