the word geek is a slang word. it has many different meanings. it can mean a person who enjoys computers and knows a lot about them. it used to mean a carnival worker "who bit the heads off of chickens and rats." one dictionary says that a geek is "a peculiar or otherwise dislikable person, especially one who is perceived to be overly intellectual". this means "a strange and un-likeable person, especially one who is thought to be very clever", in simple english.