1 definition by Julie Halsema

Top Definition
1. To participate in or talk excessively about a current interest or obsession which is not part of mainstream culture.

2. To enthusiastically share details about a current interest which is of little or no importance to your audience.
She told me not to geek out about capoeira unless I had something new to say.
by Julie Halsema April 20, 2006
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