What is Kaithxbai?
KaiThxBai is yet another version of Kthxbye meaning Ok, thanks goodbye. often used on the internet in flame wars to try end them.
fred:OMG YOUR A LOSER!
bob: WTF NO IM NOT GET A LIFE&@^$)#^
fred:KAITHXBAI!
Fred leaves chat.
See ok, thanks, goodbye, internet