Jaw-slack

When someone who thinks they can fight threatens to punch someone they cannot beat

Imma turn his jaw-slack

by Pimp Tyrone October 12, 2021

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 May 22, 2011

slack spreading

conscious or unconscious employee habit (usually a dude) of replying outside of a slack thread to make sure one's message is read by the entire channel audience resulting in a waste of everyone's time

woke up to massive slack spreading from our infosec director, put me in a bad mood for the rest of the day

by laurecurly August 12, 2025

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

Slack

Meaning she uh hoe , or awful

‘Man these shoes slack as fuck‘.
‘That lul bitch “. She slack as fuck don’t fuck wit her.

by Ghost dragon February 28, 2020

Slacked

When you cum inside a girl without a condom

"Babe, did you wear a condom?" "No, you just got slacked."

by GuessWho1211 March 15, 2024

Slack jacking

When someone takes over a thread on the Slack messaging app for their own purpose

I was talking to Mark in the update channel in Slack and the entire sales team decided slack jacking would be a good idea to discuss how to sell it.

by FRITGuru September 24, 2025