Someone (usually a co-worker) who is both managing to sit around and do nothing that they are supposed to and simultaneously annoy and piss off everyone around them with ridiculous antics. (i.e. tell stupid jokes, throw things.)
by TayRex April 17, 2010

by Mikyjocrowbar November 26, 2017

by slackwise April 26, 2019

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 23, 2011

The passive-aggressive act of notifying a team member on your public channel (instead of the private one) that you created a service ticket for them for something that is malfunctioning because clearly he didn’t test that code and you want to call him out.
Hey, did you see that slack receipt in our public channel from our bro on the Jenkins team? You broke his provisioning pipeline.
by Cialexander April 12, 2020

The action of “jacking it” (beating the absolute fuck out of your dick) and then “slacking it “ (lying around and not doing anything
Me: When I get home I finna jack it and slack it
Random nigga: vro same that’s like all I’ve been doing lately
Me: wait who tf are you
Random nigga: vro same that’s like all I’ve been doing lately
Me: wait who tf are you
by Inatehiggers May 27, 2018

Kenny: Bob "can't" go out tonight. He is being such a Slacks Clam.
Tom: I know. His new girlfriend wont let him leave her sight.
Joe: Look at all those frat boys smoking their Juul's. What a bunch of Slacks Clams!
Tom: I know. His new girlfriend wont let him leave her sight.
Joe: Look at all those frat boys smoking their Juul's. What a bunch of Slacks Clams!
by WestCoast45 December 20, 2018
