Slack Rack

Extremely attractive female who has a decidedly noticeable lack of cleavage.

"Dude Ashley's hot!" "She okay... She would be so much hotter if she didn't have that Slack Rack!"

by Harry James-Parker September 24, 2014

Slacked

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.

"Darnelle couldn't get it up last night but its coo, I slacked him up anyways"

by batistaxxx2 October 23, 2020

trap on slack

Looking at some fool with your hand on your hip while they say some dumb shit

Fool, you know what I said, dont put your trap on slack

by B-rad dazzle March 3, 2019

Big Slacking

Acting stupid , or the act of doing something stupid while high

Dude you dropped your phone you’re big slacking

by ItsVinnyBrahh April 8, 2019

face slacking

Spending all your time on facebook when you should be doing something else of much greater importance.

Jennie- Man, I have two hours to write this 1,000 word essay for my psychology class. I could have done it last night, but I was totally face slacking.
Adri-...shitty

by Pinkspi January 18, 2009

Slacked

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!"

by batistaxxx2 October 23, 2020

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