monkey nuts is when a person is so unfortunate to not change out of a bathing suit after going to the beach and the sand, salt, and sweat gathers on and around the ball sack and no matter how much your sack itches it will not go away
dude i went surfing and then out to lunch and now i have monkey nuts *itches ball sack*
by mi nevets March 02, 2007
small testicles.
Man, Dan has monkey nuts; they are the smallest ive ever seen.
by jason biggs June 12, 2002
tiny organic food eaten by small monkeys, occupying their niche in the rainforests of northern costa rica.
The howler monkeys eat monkey nuts to survive.
by jason biggs June 12, 2002
big round particularly hairy testicals
Ron Jeremy has some serious monkey nuts.
by Lingus April 22, 2003
The testicles of a member of the ape family.
Wow look at that pair of monkey nuts.
by Anonymous March 20, 2003
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