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
The deceased was found to have succumbed to slack jam while trying to dress for his friends wedding.
by peggi April 29, 2011
When you got fucked by some dude without a condom, then he dropped an anvil on your head and flew away with their elytra.
by pooslayer89 July 07, 2024
by Bantam Fermi March 17, 2024
To give a sloppy blowjob to a half-erect penis. When a guy can't get hard but the girl sucks on his loose rope anyways in a messy fashion.
by batistaxxx2 October 23, 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
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