Somebody who is very good with computers and does not have a normal social life.
Sometimes the term "geek" can be used to describe someone with a strong interest for something other than computers.
I'm a computer geek. I can set up Active Directory, write an executable program, and run Windows in a virtual machine, but there's no way I can ask a girl out on a date.
(Synonym of nerd) The kids who usually sit in the back of class and only talk to awnser a question or chat about a topic that falls into these catagories: anime or manga, video games, science, math or another low key social topic. Although most kids are picked on they do get revenge by becoming your boss later on, however as with all social groups some differences can occur such as: A preppy nerd, A cool nerd, a Nerd who gets F's, and Blerds