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OMG

American  
omg, or OMFG

abbreviation

Slang.

  1. oh my (fucking) God (a euphemistic initialism used to express surprise, alarm, etc., without explicit vulgarity).

OMG British  

abbreviation

  1. Oh my God!: used esp in emails, text messages, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of OMG

First recorded as O.M.G. (Oh! My! God!) in 1915-20; in a letter from Admiral of the Fleet Lord John Arbuthnot Fisher to Winston S. Churchill; popularized from its use in digital communications

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“I apologize that you’re going through this,” the representative said, which was nice but OMG.

From The Wall Street Journal • Feb. 8, 2026

They could soon be unboxing fines rather than freebies -- Germany's online influencers are facing a tax evasion crackdown that has left them screaming OMG!

From Barron's • Oct. 9, 2025

The US pop star played more than 40 songs, including hits like Yeah, Burn, U Remind Me and OMG, with multiple costume changes and buttery-smooth choreography.

From BBC • Mar. 30, 2025

Then, gradually, replacements began arising, with names like MEGA, WayAway, OMG!,

From Salon • Nov. 14, 2024

Over her dress, she wore a T-shirt that read: OMG, I <3 N!!!!

From "The Mark of Athena" by Rick Riordan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.