When referring to someone who claims to be an uber hacker and/or haxzor, hackzor. When you in fact know that their skills are limited and that they claim hacking to seem cool, you can call them a Coxzor, or Cockzor. That is an indefinite victory on your part.
"d00d, I am an 3l337 H@XZ0R!! I totally Pwn3d that n00b"
"Dude, you are such a coxzor."
by Lando McPherson October 15, 2007
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