A fork of Rural Dictionary
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.
Jane: "Hai John! Sup?" John: "Nm, gtg, kthxbai." or Jane: "Hey John, why won't you talk to me?" John: "Because. kthxbai."
'Kay, thanks, bye. (Okay, thank you, goodbye.) A hasty way to tell someone goodbye, especially if you dont' want to talk to them. Also see kthxbye.
Person1: Oh, yeah, you're not really my friend. Kthxbai. *leaves* Person2: *facepalm*