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OMG

American

omg, or OMFG

abbreviation

Slang.

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

OMG British

abbreviation

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.

“Haa? OMG dear we have to talk about all this first,” the woman wrote.

From The Wall Street Journal • Feb. 12, 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

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

From Salon • Nov. 14, 2024

The group were the eighth biggest-selling act in the world last year, scoring international hits with feathery, throwback songs like SuperShy and OMG.

From BBC • Oct. 10, 2024

He took note from Seven with his all-caps texts: OMG!

From "The Hate U Give" by Angie Thomas

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.