A technically oriented person. The terms geek and nerd are used synonymously, and people sometimes debate which term reflects the more awkward and antisocial behavior.
The origin of the term dates back to the late 1800s when geeks were carnival performers who did freaky things like biting off the head of a chicken. See
uber geek,
nerd,
geeko sapien and
Geekonics.
In Vogue Today
After computer people became millionaires and billionaires, it became fashionable to say you were a geek. The Geek Squad is Best Buy's technical support and repair department.