Slack tire

This is a tire that is low on air pressure

by Agnes Ann February 17, 2018

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Slack Shway

intentionally setting up your office environment so that no one can see what is really on your computer screen.

Thanks to his great slack shway, when the boss poked her head in his office to tell him how terrific he was doing, she could not see the derogatory comments about her on facebook.

by SuperRickStar August 19, 2011

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Twitch Slack

The amount of bedding you pack between your 'twitchy' sleeping partner and yourself so that your sleep isn't disturbed by them pulling on the blankets as they toss and turn.

"Man, Janette was so restless last night I had to pack major twitch slack just to get some sleep".

by Don74 September 08, 2016

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Senior slack

The general state of laziness experienced by seniors in high school. It often occurs near the end of the school year when their remaining time is essentially pointless, as many have already been accepted into colleges/universities. It is accompanied by a lack of studying, caring, or effort.

Junior: Aren't you going to study for your calculus test tomorrow?

Me: Nah, senior slack has hit me hard. You'll get the feeling next year...

by Bid D. Scrawl July 25, 2013

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