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A scrotum, after being subjected to cold temperatures.

Originally used by the comedian Billy Connolly when describing a seaside holday to Aberdeen, Scotland and his attempt at swimming in the North Sea.
I'm not getting into that swimming pool, it's mid-winter, i'll end up with a half-walnut!
by barely standing February 11, 2006
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A male scrotum, after being subjected to cold temperatures.

Originally used by the comedian Billy Connolly when describing a seaside holday to Aberdeen, Scotland and his attempt at swimming in the North Sea.
I'm not getting into that swimming pool, it's mid-winter, i'll end up with a half-walnut!
by barely standing February 07, 2006
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