Sluck is the combination of snow and sleet that accumulates underneath the wheel wells and bumpers of semi-trailer trucks on the interstate during winter storms that always seem to let loose as you are passing them going 60 MPH.
Royce: Well, I'm glad the snowstorm seems to have let up. The road is clear enough to drive a little faster now.
Tom: Yeah we should be able to make it to Chicago pretty close to when we thought we would.
(Car passes a Semi trailer truck and "splat")
Royce: Wow, that was a lot of sluck from that semi. I'm glad the wipers are still working.
Tom: Yeah we should be able to make it to Chicago pretty close to when we thought we would.
(Car passes a Semi trailer truck and "splat")
Royce: Wow, that was a lot of sluck from that semi. I'm glad the wipers are still working.
by mixgochix October 6, 2011

Tabitha shuffed into the room, answering questions only with grunts and the sound of slucking her coffee.
by wnohgb_washu November 2, 2004

The act of fornication as carried out on a sled speeding down a hill. Sledding on a steep incline is not recommended, and the participants risk the threat of serious injury. Just another way to heat up your sex life in those chilly winter months. Common in Norway.
Sledder 1: What the fuck is on that sled?
Sledder 2: Oh, just your aunt and uncle alpine slucking.
Sledder 1: ...
Sledder 2: Oh, just your aunt and uncle alpine slucking.
Sledder 1: ...
by fornicatia January 4, 2010

Sluck up refers to the act of putting in more effort in what one does for better results. It is mostly used to encourage someone who have not done well as expected or supposed to be in a particular time or session.
Adimchi you need to sluck up this semester to get a good result and make your parents proud.
The manager charged the employees to sluck up as they are starting up a new project.
The manager charged the employees to sluck up as they are starting up a new project.
by Chiagozie January 26, 2022

When a team is convinced that they are the greatest ever, that they don’t need no help to beat another team (aka Torre) but in reality they can’t do anything but to “win in their own terms”; being in a delusional state.
by that’swhathesaid September 22, 2020

When the word "BITCH!!!!" just wont do, here we have three glorious insults rolled into two, simple to understand, perfectly legal, non-words. They can be used when a THOT wont begone. It is best delivered loudly, and with plenty of Ebonics head-tilt.
"Wha'chew lookin' at, SLUCKING FUNT!!!!"
"I said 'No!', Slucking Funt!!! No sex for you!!!!"
"Slucking Funt!! Dont make me kick yo ass!!!"
"I said 'No!', Slucking Funt!!! No sex for you!!!!"
"Slucking Funt!! Dont make me kick yo ass!!!"
by SluckingFuntWhisperer December 29, 2021

To be sucked into a Slack conversation or conversations that take your attention and focus from what you were supposed to be doing.
by YellowLantern July 22, 2022
