The wrinkled skin that contains the testicles.
I dropped my tacky sack on shermans phone reciever.
by Suspence and MIS GANG October 01, 2004
1 more definition
Top Definition
When your balls sweat and stick to your leg!
I have to do the leg kick to try to shake my tacky sack.
by TTENNEB EKIM September 15, 2005

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