geek
noun
°(colloquial) An expert in a technical field, particularly to do with computers.
"My laptop’s locked up again. I need a geek."
°(colloquial) A person intensely interested in a particular field or hobby, generally at the expense of broader social interaction. Often used with an attributive noun.
"I was a complete computer geek in high school, but I get out a lot more now."
verb
°(colloquial) To get high on cocaine.
synonyms: butcher’s, gander