Kthnxbai Edit Meaning

1.

Contraction of Ok, thanks, bye.

Used when you want someone to shut up (you're not exactly trying to be polite,) yet it's not considered as an insult like STFU. Also it can be used when answering a stupid n00b question, or after scolding someone.

I'm not arguing anymore. kthnxbai.

Stop that or I'll ban you. kthnxbai.

^ above isn't as insulting as STFU N00B!

2.

An internet based bastardisation of the phrase "Ok Thanks, Bye" though it does make a great saying for a hasty exit or anything related to that.

N00BSAUC3: hey can you help me with this game? im new.

1337D00D: *steals N00BSAUC3's money* Kthnxbai *kills N00BSAUC3*

See kthxbi, kthx, bai, kay, n00b

3.

something that you say when you kinda want to rush out of a chatroom or when someone won't stfu.

In science class:

"So that's your homework. Go to lunch or whatever."

" KTHNXBAI!"

See l33t, ur mom, pimp, ho, awww

4.

Contraction of "okay, thank you, bye".

Possibly the stupidest way of trying to end an argument ever. Used by prissy internet douchebags.

"You have no right to come around here and talk to me like that!

kthnxbai!"