cold killer

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
mugGet the cold killermug.

stone cold killer

1. A person you don't wanna fuck around with.
2. a ruthless hitman
the bastard that I hired was a stone cold killer
by Ryan "homie G" August 18, 2003
mugGet the stone cold killermug.