by Pimp Tyrone October 12, 2021

You just ate that food with no bev, you’re odee slack.
I know you don’t have on the same draws from 3 days ago, that’s so slack.
I know you don’t have on the same draws from 3 days ago, that’s so slack.
by DBlockk021 September 16, 2020

To give a sloppy blowjob to a non-erect penis. When a guy can't get it up, but the girl sucks on his loose rope anyways in a messy fashion..
"Darnelle couldn't get it up last night bc he was too drunk, but I slacked him up anyways"
"Wow, what a good person you are!"
"Wow, what a good person you are!"
by batistaxxx2 October 23, 2020

“Oh dear, you look traumatised mate”. “Yes, I bumped into Lindsey after 10 pints and the Slack Thong came off.
by Geoff Paddle June 6, 2022

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

by Ghost dragon February 28, 2020

(Something I made up for a FB post) Slack is the sound you make when you licking on a pussy fast and make a slup sound in the wind sounding like “slack”.
Please don’t make this viral….I have no common sense…
Woman: Mans(or woman) in the black, come slack this cat.
Man(Woman): *slacks the cat” 😂
Woman: Mans(or woman) in the black, come slack this cat.
Man(Woman): *slacks the cat” 😂
by Tatiuna Crawford. December 4, 2021
