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

While the rest of the food hall closes around midnight, Bar Kaiju stays bumping until 2 a.m on the weekends, a haven for those who want to geek out over obscure fermentations in a space that doesn’t take itself too seriously. —Mariette Williams, Bon Appetit Magazine, 27 May 2026

For specialty dining, gastronomes will geek out at Chef Daniel Boulud’s signature Le Voyage completely redesigned in a new color palette with a private dining room. —Condé Nast, Condé Nast Traveler, 13 May 2026

Musical theater fans geek out because the space is so intimate and provides such close proximity to the performers, Ladd said. —Annie Alleman, Chicago Tribune, 3 Apr. 2026

Charlie is a techie who’s built to geek out with users on a wide variety of tasks. —R. Daniel Foster, Forbes.com, 24 Jan. 2026

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