A expression of how cold it is, either used alone, or in a scale. The logical extension of "cold as balls"
Primus: It is balls cold, dude.

Secundus: How may balls?

Primus: Three balls, man. Three balls cold.
by cold_balls December 06, 2009

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Top Definition
A time where it is so cold that the warmest part of your body is affected by it - your balls.
Common during the winter, esp. in Chicago, New York, and Nantucket.
Bro I walked outside yesterday dressed in shorts and a shirt. It was balls cold.
by O Purehitta April 03, 2011

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