1 definition by Rancidballs

Top Definition
A thermal, cotton, elasticated pouch, or 'sock', sold in specialist outdoor clothing retailers, which is used to keep the testicles warm in colder climates.
It's getting pretty nippy out there with all that frozen fog. I'd be sure to slip on your bollocksock before we set off on the hike.
by Rancidballs April 12, 2010

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