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.
Brent: Niiiiice! The good ole' sack and jack.
by hawknel April 25, 2011
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
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!
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