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1 definition by Rob bites

 
1.
The sarcastic,combative,and apparently omnipotent self-appointed expert on any topic of discussion.
The keyboard cowboy has a unique knack for butting into civil,informative discussions and reducing them to good ol'fashioned internet flame wars.
The keyboard cowboy has singlehandedly taken nearly every 'net bulletin board down several IQ points.
Rocketrob40 is fast becoming known as a lame keyboard cowboy
by Rob bites August 24, 2008