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When a man's jewels are so cold that they shrivel up into almost invisible peas.
"Hey man! I'm a freakin' shrivelnuts, this pool is WAY too cold to swim in!"
by Melissa January 28, 2004
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2
an old man; one who complains like a repulsive old man; or one who repels women at the slight of his balls.

Used to insult a friend after he told us how a girl walked out because she saw his balls
No one will want to touch the raisins you call your balls, you damn shrivel-nut
by T.Random December 01, 2010
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