A Geek is an individual who is interested and very skilled with technology, they usually enjoy video games and comics as well as animé etc. They are not necessarily smart. Geeks, unlike nerds, are usually quite sociable and relatively popular in comparison to 'nerds'. Further more geeks are usually proud to be a geek.
"Do you know much about computers?"
"Yeah, i know all there is to know, I'm suck a geek."
"Thats really cool, we should go out sometime."