kthx

Derived from years of IRC word creation
Shortened and "strengthened" form of "kay, thanks" in that it carries more power than saying "kay, thanks" would. Also used as a prefix of suffix (see examples)

Fred: Die plzkthx.
Bob: plz2stfukthx
Fred: kthx

by Ultimation July 28, 2003

kthxby

Okay, that's cool, thanks, bye.

person: aw man i g2g to mow the lawn sry

noob: kthxby

by Kristin J June 19, 2008

kthx

Among other usages of this word, if someone is being a real idiot, it can be used after you prove them wrong/make them look like a fool/pwn them.

Idiot: 2+2=5
Anybody else: No, 2+2=4. Learn some math. Kthx.

by Thrash January 24, 2004

Pwnt_kthx!

Pwnt_kthx! is to be used to notify a noob that he has been owned and that no further discussion on the owning will be necessary.

Me: Hahaha STFD noob
Led_Zep: WTF no way!!
Me: What?
Led_Zep: No way you shot me from there!!11
Led_Zep: Impossible
Me: It's not impossible, you just suck Pwnt_kthx!

by Chris-187 November 11, 2008

kthxbai

Bye in "lolcat speak".

i can has cheezburger? kthxbai.

by allvanishing December 25, 2007

kthxbye:p

kthxbye it means: ok thank bye

:p it means: a smile face

girl: whats the answer 4 #10?

boy: 7

girl: kthxbye:p

girl has logged off.

by uprami dozd October 15, 2009

kthxbai

K Thanks goodbye

kthxbai can also be used as an insult to someone, like a n00b or someone you just don't like.

N00b1: omg liek u wana c my fab nu jurnal?
Dude: No, you make me sick n00b Kthxbai

by Gabe Hall July 5, 2005