When one suckles on the scrotom sack, ever so gently, then pulls back just enough to create a popping sound when the testicle exits the mouth.
He was a very good boy so I rewarded him with a ball-popping good time!
by Dirt Star November 18, 2003
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When your nails are jagged and you scratch your balls then it fucking hurts like a bitch
Ow fuck I just had a ball pop
by Ass-Bitch-ho April 9, 2018
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