Sexual act performed by a male with a larger/looser than average scrotum who then wraps said scrotum around his buddy's shaft and proceeds to jerk him off to climax with his sack.
Hey Kyle, what did you do last night? Well Trent, I exited a hot shower and my scrotum felt larger then normal; so I proceeded to Sack Jack Mr.Park till he ejaculated.
by WPGCSU March 1, 2019
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A term used to tell a person to do something or leave a certain place. This term was first developed when a super scientist changed the channel, which his grandson was watching, on the television.
Son: Hey! I'm watching TV!
Grandfather: Hit The Sack Jack!

Son: I don't know if i should ask her out Rick.
Grandfather: Hit The Sack Jack!
by Mattanian May 30, 2017
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The combined action of a handjob and playing with the testicles simultaneously.
Frank: Dude, she was totally jerkin me off and playin with my sack at the same time bro!

Brent: Niiiiice! The good ole' sack and jack.
by hawknel April 25, 2011
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A type of manbag, but far more cool! Used by Jack Bauer of 24 to carry his awesome and unlimited arsenal of weapons to take on the terrorists that threaten the US
Jack: Dude, that manbag is so lame, you need to get yourself a Jack Sack

Tony: Copy that
by Paulstudy March 27, 2010
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While having sex the guy does jumping jacks while still inside. Very hard to do a lot of training but well worth it.
Matt was so amazing when he Jumping Jack Sacked me last night
by Hairy Flounder November 3, 2008
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Jack jack sack attack

Jack jack sack attack
Jack jack sack attack

Jack jack sack attack

Jack jack sack attack
Angus:Hey Athur guess what

Athur:what
Angus:jack jack sack attack

Athur: shut up bean
by Angishangi January 14, 2020
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Choking the chiken or any form of self plesure or masturbation involving your hand, lube ,and your favorite playboy mag.
i'm flip flaping the jacking sack.

flip flap the jacking sack
by wakety sacety May 8, 2009
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