(Noun) A person that gets suspended for having 18 bottles of liquor in their car at school.
Person 1: I have beer in my trunk
Person 2: Dont let Peggy know, or you'll be a K-marks
That's K means (its killed) the idea is deaded, no longer active
Aye yeo bro you tryna go get some McDonald's? Nah man they are closed That's K
The definition of u/k means either 1. A nickname for the United Kingdom and 2. To support Ukraine.
1. British Person: Welcome to the u/k! :)
Jake: Cool! :)
2. Jack: u/k we support! :)
Richard: Holy shit, thank you for supporting Ukraine! :)
Jack: You’re welcome! :)
Ukraine: :)
Added to the end of a person's name to symbolize they have become irritated by someone's words or actions.
After being tail gated, Jessika with a K stops her car to scream obscenities at the driver.