Jack shack

When a inmate put his sheets around the bottom bunk to make a shack to Jack off in

Go away I'm going to make a Jack shack

by Johnny Ex con April 15, 2018

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jack shack

A building which sells sex toys and porn videos and has 25 cent peep shows in the back room.

Hey mom, gimme a roll of quarters so I can go down the jack shack and rub one off.

by mws August 6, 2003

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When your wife/girlfriend is menstruating (i.e. on the rag) and the only sexual release available to you is masturbation.

(This is a tribute to the late comedian Robert Schimmel, who coined this phrase before his death in a song of the same name.)

John: "Hey. You alright, man? you look tense."

Ray: "Yeah. The wife is on the rag, man.. Gonna be a long week in the Jack Shack."

John: "Ah. Gotcha."

by Averant September 19, 2010

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Jack off shack

the stall in a dorm or shared bathroom that you or someone else always beats their meet in.

"Has anyone seen Dan?"
"He's in the bathroom and I saw him go into the jack off shack so it'll be a while"

by lillukey August 16, 2018

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Jack Sack

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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