(Adjective) The state of being completely and utterly confused during an online chat of any kind. Sometimes a result of trying to carry on several conversations at the same time. If you're extremely unlucky, it might result in you doing some blackpedaling
(Adj.) Mike (via Facebook chat): So yeah, if you've got the cocaine, I'll meet you at the Exxon at midnight, Thursday.
Tom: Bro, you've gone totally chatshit. You were just telling me how to fix a Timex.
Mike: Damn, I've gotta stop having too many conversations at once