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1. Aussie slang for disapproval. Can be accompanied with a straight before the sack to amplify its meaning.

2. Aussie slang another word for fired.
Mike: Do u wanna go movies

David: straight sack
Or

Did you hear that John got sacked?
by Idekwydttm March 16, 2019
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v. to like a lot or love
used heavily in the NoVa area.

by weezyfbabyyyy November 06, 2008
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13
Sack is derived from the term "sack of shit". It describes someone who is unworthy of even being filled the feces that would reside within a "sack of shit". It is usually used to describe a person who is extremely lazy or is performing an extremely lazy act.
Friend #1: "Hey man can you shut the lights off?"

Friend #2: "Sorry bro. Busy."

Friend #1: "Dude you're right next to them. Just reach over and shut them off."

Friend #2: "Man that's too far away. I'm busy."

Friend #1: "Busy doing what? You've been playing League of Legends and eating toaster waffles on my couch for six hours."

Friend #2: "Exactly. I'm busy."

Friend #1: "You're a fucking sack."
by Kflop Fats January 25, 2013
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