Kthxbai

[Little_Girl]

Variation of kthxbye - the internet bastardization of OK, thank you, goodbye.

Generally used with contempt, or for hasty exit. See also - kthxbye

[Sonia]

Okay, thank you, goodbye.

[Jessica]

Bye in lolcat speak.

[Little_Girl]

K Thanks goodbye

kthxbai can also be used as an insult to someone, like a [n00b] or someone you just dont like.

[Becky]

Literally Okay, thanks, bye. Commonly used when short words and phrases are needed, as in when chatting and texting. Can also be used to quickly end a conversation, usually in a rude fashion.

[Britney]

A mashed up word for ok, thanks, and goodbye. It is commonly used on quicky text messages.

[Mark Zuckerberg]

The internet way of saying Okay, thanks, bye.

It is mostly used in contempt or just a humorous way to bid someone goodbye.