n. A person who is intellectual but generally introverted
n. One who has an intense, obsessive interest in something.
n. An unattractive, socially awkward, annoying, undesirable, and/or boring, person; a dork.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an insignificant student who is ridiculed as being affected or boringly studious
n. an intelligent but single-minded expert in a particular technical field or profession
Word Usage
"I was merrily typing away to friends in some primitive chat room on my IBM XT (super nerd), listening to some music (probably Flock of Seagulls -- nerd++), and watching Back to the Future with the sound off (neeeeerrrrrrrd)."