geek

n. carnival performer who performs grotesque acts; (Computers, Internet) Internet "freak", one who is addicted to the computer or Internet, one who is skilled with computers; nerd, unpopular or unusual person (Slang)

The word geek is a slang term, noting individuals as "a peculiar or otherwise dislikable person, especially one who is perceived to be overly intellectual". Formerly, the term referred to a carnival performer often billed as a wild man whose act usually includes biting the head off a live chicken, bat or snake. The 1976 edition of the American Heritage Dictionary included only the definition regarding geek shows. The popular saying that geeks are mentally challenged in various ways.
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Geek! is the second EP by My Bloody Valentine, and their first to feature bass player Debbie Googe. It was released in December 1985.
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Noun
1. a carnival performer who does disgusting acts
(hypernym) performer, performing artist
2. a person with an unusual or odd personality
(synonym) eccentric, eccentric person, flake, oddball
(hypernym) anomaly, unusual person
(hyponym) crackpot, crank, nut, nut case, nutcase, fruitcake, screwball

computer geek

strange person, scholar, book worm, nerd Allan reads a lot and stays by himself. He's kind of a geek.