The accumulated sweat around the ball sack, or on a man's briefs/boxers.
I picked up his boxers, not knowing they had been worn and full of ball sack juice!
by Jody S. July 22, 2005
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the best thing u could ever imagine used as an adjetive for any noun
that was a juice ball chicken cheesesteak!
by johny beans January 31, 2010
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