Top Definition
A Vandergrift Casino Theatre prank used to make freshman stage crew people go insane trying to find out how to "jimmy-up the mack". Bottom line: the "mack" that needs to be "jimmied-up" does not exist!
Cast member: "Go jimmy-up the mack, Bob"
Bob (first year stage crew): What the heck is a jimmy-up the mack!

Cast member: Just go do it!

Bob: What is it!

Cast member: The show will be ruined if you don't jimmy-up that mack! Now go!

Bob: but!....but!

Cast member: GO!
by Rekced Yrrek December 02, 2006
6 Words related to jimmy-up the mack

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