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Is a famous Blackhat Hacker, that can override Denial of Service attacks against his Internet, hes associated with anonymous and Infamous. The reason he goes by Invalid IP is because when people try to pull his IP it comes up Invalid. He blocks it with multiple programs that shadow his IP so people can't get it. Invalid IP plays Xbox Live and is probably the most Notorious hacker on xbox live today.
Kid 1: Hey Invalid IP your such a douchebag.
Kid 2: hey bro watch what you say hes a hax0r.
Kid 1: Oh shiT ReaLLy?
Kid 2: yeah man he can backdoor your computer and overload your router to the point where you need it repaired.
by MrFamous January 17, 2012
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