geek out

verb

geeked out; geeking out; geeks out

intransitive verb

informal

: to behave like a geek

especially : to become excited or enthusiastic about a favored subject or activity

Rail buffs get to geek out aboard a 1924 Pullman-Standard Victorian Coach or a 1952 Granite Eagle, the latter a three-level dining car with a glass observation dome on the upper deck and a sunken lounge on the lower level.

—The Wall Street Journal

… fans will really geek out over the reproduced notepad that features Henson's original outlines and story ideas. Not that I did or anything.

—Dalton Ross

Examples of geek out in a Sentence

Recent Examples on the Web

The little kid of me still geeks out about seeing those places. —Jeff Rueter, New York Times, 14 Apr. 2025

Thousands of fans who share a common love of the fantasy worlds that live on the pages of comic books and science fiction movies and television shows packed the sprawling facility to geek out over the plethora of pop culture on display there. —The Kansas City Star and, Kansas City Star, 22 Mar. 2025

If you’re intrigued by Buddhist philosophy or the neuroscience of mindfulness, geek out. —Carolyn L. Todd, SELF, 6 Mar. 2025

Don’t be afraid to geek out: The happiest people don’t play it cool. —Jessica Weiss, Contributor, CNBC, 1 Mar. 2025

Word History

First Known Use

circa 1990, in the meaning defined above

Rhymes for geek out

• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout
• checkout
• closeout
• cutout
• devout
• dropout