Definitions by Julie Halsema

geek out 

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.

geek out by Julie Halsema May 2, 2006