Resembling or characteristic of a geek.(adjective)
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Use "geeky" in a sentence
"They will be bored by the exposition, disinterested in "geeky" rationalisation, by diagrams and equations and dates and places laid out in tiresome detail."
"Its cast, performances, visuals and devotion to its source material has me squirming in geeky giddiness every time I watch it."
"Colloquially there's Oz (and an Australian is an Aussie, and the dialect is Strine short for "'stra (l) ian" - this one is mildly mocking, like the NZ dialect is Newzild), or in geeky circles you can use the domain-name style AU."