any piece of graffiti artwork judged by peer graffiti writers to be among the "sickest" or "most ill" graffiti pieces ever produced
"man did you see that piece in the window downtown? that was some cold killer shit"
by dr. caligari January 19, 2004
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1. A person you don't wanna fuck around with.
2. a ruthless hitman
by Ryan "homie G" August 18, 2003
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