- a digital-technology expert or enthusiast (a term of pride as self-reference, but often used disparagingly by others).
- a person who has excessive enthusiasm for and some expertise about a specialized subject or activity: a foreign-film geek.
- a peculiar person, especially one who is perceived to be overly intellectual, unfashionable, or socially awkward.
- a carnival performer who performs sensationally morbid or disgusting acts, as biting off the head of a live chicken.
- to be overexcited about a specialized subject or activity, or to talk about it with excessive enthusiasm (usually followed by out): I could geek out about sci-fi for hours.
- a person who is preoccupied with or very knowledgeable about computing
- a boring and unattractive social misfit
- a degenerate
