Top Definition
An enhanced form of regular tourette's syndrome; the person inflicted with Murder Tourette's will have an uncontrollable twitch that causes them to kill the closest person nearby.
Griffin: So do you guys want to hang out tonight?

Taylor: Sure, what did you want to-
*Griffin stabs him*

Griffin: ...umm, sorry.

Calin: Holy Shit! What was that!

Steven: It was his Murder Tourette's acting up, he couldn't help it.
by Dances With Mustangs June 25, 2010

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