K 

A phrase, meaning "This conversation is over."

him: I just don't wanna lose you!
her: k.

K by sam fisher February 4, 2013

K. 

I don't wanna talk to you and I hate you

You: I'm sorry :'(
Me: K.

K. by iskate4fooood September 13, 2010

k 

Online: 1. A term of acknowledgement; esp. without particular interest.

Let's go rent some pornos.
k.

k by Brian Black February 27, 2003

k 

when someone says something mean: k
when someone says something nice: k
when someone is annoying: k
when someone tells a dumb story: k
when someone you don't like walks in the room: k
when someone tells you to do something: k
when you get yelled at: k

Teacher: "You are a disgrace to your parents"
Me: "k"

k by hahak November 5, 2012

k. 

the ultimate response to someone you don't like or when you don't care what the person is saying.

You: Dude. Your fucking ugly. I don't see how anyone could have any interest in you at all!
Me: K.
You: ....

k. by #1 Twerk Bitch August 31, 2013

K 

What you text someone when you dont give a fuck about what they say and just want to piss them off.

Thomas: Stop sending dick pics loser
Matt: K

K by Fuck life. January 11, 2015

k. 

Quite literally a slap across the face.

Jesicca: Coming out tonight?
Charlotte: No, I can't arranged something else.
Jessica: k. -signs out.

k. by ambzzsimm December 9, 2010