From Longman Dictionary of Contemporary Englishgeekgeek /ɡiːk/ noun [countable] informalFASHIONABLE someone who is not popular because they wear unfashionable clothes, do not know how to behave in social situations, or do strange things SYN nerd a computer geek —geeky adjective
Examples from the Corpus
geek• That was part of being a geek.• Does that make me a geek?• You probably dismissed them, more or less sympathetically, as nerds and geeks.• Kids called me Four Eyes, geek, and nerd.From Longman Business Dictionarygeekgeek /giːk/ noun [countable] informalCOMPUTING someone who knows a lot about a technical subject, usually computers, but who is not good at communicating with peopleSYNNERDHe is a 15-year-old computer geek who spends all day gaming.Origin geek (1800-1900) Perhaps from Low German gek “stupid person” 