geek out

geek out

slang To express excitement and enthusiasm about one's very specific and sometimes unpopular interest, especially by talking about it in great detail. My dad is a musician, so he totally geeked out during our trip to the Martin Guitar Factory. I completely geeked out when I realized I was looking at a sandhill crane—they're just so rare in this region! A: "Can I just geek out for a minute about how gorgeous Nicky Hopkins's piano playing is on this song?" B: "I don't know who that is, but sure?"
See also: geek, out
Farlex Dictionary of Idioms.

geek out

in. to study hard. (see also geek.) Big test tomorrow. I’ve got to get home and geek out.
See also: geek, out
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • geek out about (someone or something)
  • geek out over (someone or something)
  • get carried away
  • throw cold water on
  • throw cold water on (something)
  • ripple of excitement
  • go from zero to hero
  • have (one's) heart stand still
  • have heart stand still
  • (one's) heart stands still
References in periodicals archive
The most notable difference between this current pre-sales event, in lieu of a crowd-designing and crowdfunding campaign, is that Geek Out V2 will bypass the crowd-design phase and be available for immediate delivery after the Indiegogo campaign is completed in July, thereby appealing to a consumer base that would otherwise be uninterested in a lengthy product development cycle or delivery schedule.
Built on the award-winning foundation of their original Geek Out, their latest release, Geek Out V2, paves the way for the future of the premium portable DAC & headphone amplifier experience.
Utilizing the latest 3D printing technology available, Geek Out V2's chassis allowed the ability to radically optimize the form factor and design aspects that would have otherwise been impossible using traditional manufacturing methods.
Geek Out V2 is designed using the same principles found in their flagship product, Da Vinci DAC, and is capable of playing ultra high resolution audio up to 32 bit / 384 kHz & DSD128 natively.
Geek Out V2 is the most powerful family of portable USB headphone amplifiers on the market, pumping out the power in pure Class A, the gold standard of amplification in the audiophile community.
Using Indiegogo as a Pre-order Platform, Ultra High Resolution DAC & Headphone Amplifier Reaches $200,000 in Sales
Geek Out also suggests volunteering, donating the price of a ticket to gay rights organizations and educating others about Card and his beliefs.
Geeks Out Sets Up 'Ender's Game' Boycott Over Orson Scott Card's Anti-Gay Beliefs