A person who works in a small closet setting up computers and answering help requests all day with at least 3 of the following 5 symptoms...
1 - Uses Linux
2 - Believes other employees exists to serve him, not the other way around
3 - Has told the cofee holder joke to friends/family
4 - Has unhealthy hatred of Microsoft
5 - Smug beyond belief
Typically straight of college. Often was a nerd in high school but not smart enough to major in engineering in college.
Not to be confused with code monkeys which actualy produce software and services the company can profit from.
IT Guy - "Can you believe that manager just told me to install Vista? Seriously, who does he think he is?"
"No, we don't have any more monitors for the design people. Why? Because we need them here in IT so we can get more work done (a.k.a. play WOW on one of them while checking e-mail on the other)."