K Sack is a male Scrotum that is so sweat to taste, that women find it hard to resist licking. They tend to have the sent of the Alan’s K gene.
Betsy could not resist the K Sack that was next to her.

Hey Baby, I bet you have a K Sack that I would love to snack on.

Your K Sack is making me wet, hot & horny.

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by Guruji Irv December 31, 2018
Korean Ballsack. A derogatory term for something disliked.
Omg that's so K-Sack!
by MotherShipton January 31, 2022