geek out

verb

Definition of geek out

informal

  1. intransitive verb
  2. :  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

Circa 1990

First Known Use of geek out

circa 1990


Seen and Heard

What made you want to look up geek out? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a frightening dream

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!