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Balls that are combined into one
My taint was fucked by old man balls
by KML19 April 01, 2017
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Old man balls are when older men's junk becomes one large grapefruit sized, saggy ball. There is no longer the ability to notice two balls, except one large sagging nut.
Example: did you see those old man balls on that guy? Looked like he was sitting with a grapefruit in his pants

Example: while having sex my taint was slapped by his old man balls
by KML19 April 02, 2017
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