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2.
(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
by The Real Sir sNills January 19, 2012
 
1.
A saying to someone who is talking rubbish.

Originates from Widnes, North-West England.
"I had a date with a a fit bird last night" says roy.
"Chat Shit" replies Jim.
by gypsy dave March 29, 2008