Jaw-slack

When someone who thinks they can fight threatens to punch someone they cannot beat
by Pimp Tyrone October 12, 2021
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Slack Block

Prevention of someone else's ability to slack off. At work, if your computer is being repaired, but you are offered a loaner to continue to be productive, the IT guy 'slack blocked' you. If at home, you're significant other presents a reasonable request to do something, that prevents you from vegging.
My computer is being worked on by IT and I thought I'd have the afternoon off, but they slack blocked me with a loaner machine.
by ChadinDarien July 17, 2024
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slack jam

what happens when you try to take off your pants without first removing your shoes
The deceased was found to have succumbed to slack jam while trying to dress for his friends wedding.
by peggi April 29, 2011
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slack nirvana

a mental state where you no longer feel guilty for not having responded to messages your co-workers have sent you on Slack. you reach this state after sheer exhaustion and burn out, typically.
I knew I was contributing so much, and I was on the verge of burn out. The fact that I attained Slack nirvana is helping me stay calm for longer.
by raknahs December 27, 2021
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Big Slacking

Acting stupid , or the act of doing something stupid while high
Dude you dropped your phone you’re big slacking
by ItsVinnyBrahh April 08, 2019
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Dirty Slack

When your dick goes limp during anal but you keep jamming it in there
Bro, I was power driving Jessica but the blood flow killed my boner, so I ended up giving her a dirty slack
by AtlasTheKing December 18, 2021
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