Ck 

Conversation killer

Oh james! You're such a ck!

Ck by Appels111 April 4, 2016

Ck 

Common Knowledge

Someone who gives you information or help you with something

Boy: What does ''frightened ' mean?
Girl: Scared
Boy: Thank you ck

Ck by AdamIsSiri'sSon January 5, 2018

CK 

Basically what every car person calls a mustang. A Crowd Killer.

Person A:"Dude look the CK is about to do a burnout!"
Person B:" Awe shit better back up before I get ran over."

CK by Matayugumi July 10, 2018

CK 

To masturbate in front of someone. (Verb) Also referred to as Pulling a Louie.

He CKed her.

CK by Booty meister May 9, 2019

CK 

A CK means to snort a line of Cocaine and Ketamine all mixed up in one big line. A pretty dangerous and not recommended cocktail as Cocaine is a stimulant and Ketamine is a dissociative.

"Met a guy the other day who did a CK line and 10 mins later ended up riding a bike into the side of a fuckin coffee shop!"

CK by J to the K47 February 23, 2021

ck 

cellar kid

Player: "Yo, wassup for the weekend"
Nerd: "Nuttin, watching the game, playing cs:go, having a bud"
Player: "Dayum son, you a real ck"

ck by btg_king December 4, 2021

CK 

A retarded kid

The ck runs off into the house

CK by YOungeVoid June 6, 2022