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Og

1 American  
Symbol, Chemistry.
  1. oganesson.


o.g. 2 American  

abbreviation

  1. Architecture. ogee.

  2. Philately. original gum: the gum on the back of a stamp when it is issued to the public. Also O.G.

  3. own goal.


O.G. 3 American  
Or OG

noun

Slang.
  1. a leader or elder in a street gang.

    Even the toughest homie will show respect to a real O.G.

  2. a person or thing that is respected as genuine and classic (often used attributively): This is an O.G. muscle car built just for street racing.

    Julia Child was the O.G. of elevated American cuisine.

    This is an O.G. muscle car built just for street racing.


O.G. 4 American  

abbreviation

  1. officer of the guard. Also OG

  2. Architecture. ogee.

  3. Philately. See o.g..


OG 1 British  

abbreviation

  1. officer of the guard

  2. Also: o.gphilately original gum

"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

o.g. 2 British  

abbreviation

  1. own goal

"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

Usage

What else does OG mean? OG is a slang term for someone who's incredibly exceptional, authentic, or "old-school." It can be earnestly used for a legend like Michael Jordan or more ironically, like for that friend who can unwrap a Starburst with their mouth. How do you pronounce OG?[ oh-jee ]

Etymology

Origin of O.G.

First recorded in 1970–75; abbreviation of Original Gangster, coined by the Crips, a gang founded in 1969 in Los Angeles and extending along the southern California coast. O.G. was popularized by O.G. Original Gangster, the fourth studio album (1991) by the American rapper Ice-T, stage name of Tracy Lauren Marrow (born 1958); cf. gangsta ( def. )

Compare meaning

How does og compare to similar and commonly confused words? Explore the most common comparisons:

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.

See Examples For:

"As Irish people, it's just not in our nature to watch these things happen internationally or domestically and stay silent," said Mo Chara, whose real name is Liam Og O hAnnaidh.

From Barron's Mar. 20, 2026

In college, he stumbled upon “The Greatest Salesman in the World,” a 1968 book by the author Og Mandino, whose work is a bottomless resource for Successories posters and #MondayMotivation posts.

From Washington Post Oct. 18, 2020

And I’m thinking of diving back into reading “The Greatest Salesman in the World” by Og Mandino.

From Los Angeles Times Mar. 18, 2020

Sendlingur Og Sandlóa is a song about relationships in which one partner spends long periods of time away from home.

From The Guardian Jun. 13, 2012

Og motioned to the end of the hall.

From "Ready Player One: A Novel" by Ernest Cline

Olave's o.g. spared Silvestre a rather more humiliating inquest after his debut.

From The Guardian Mar. 4, 2013

Price 50c No. 354, 10c on 6c rose and black, o.g.,

From The Stamps of Canada by Bertram William Henry Poole

Father Dowling is based on a character from American author Ralph McInerny’s mystery novels that borrowed elements from Father Brown, the O.G. of this TV subgenre.

From Salon Jun. 16, 2026

Gomez resonated with the spectral 1982 ballad “El Muchacho de Los Ojos Tristes,” as originally recorded by the O.G. sad girl en español, Jeanette.

From Los Angeles Times Dec. 18, 2025

That the fun, O.G. squad had lost power?

From The Wall Street Journal Nov. 13, 2025

Berlusconi, arguably, was the O.G. of populist leaders whose political careers carried on through a cascade of scandals and criminal cases.

From New York Times Jun. 14, 2023

“I think you went overboard at the O.G. and now it’s pudgy city.”

From "We'll Fly Away" by Bryan Bliss

Orchison, the Australian-born, Denver-based DJ who has played several Dave & Buster’s raves under the name ÆON:MODE, sees a through line between the arcade chain parties and the freewheeling spirit of the OG rave scene.

From Slate Jun. 25, 2026

A true OG of the import car scene modified my car with his own hands.

From Los Angeles Times Jun. 22, 2026

Journalist Ahmed Baba, sharing a photo of the baby he and his wife welcomed during the game, joked, “Was tempted to name him Jalen Karl-Anthony OG Baba, but we kept our original choice.”

From Salon Jun. 17, 2026

He scored with just over a minute remaining to put the Knicks 90-88 up, and Josh Hart and OG Anunoby free throws extended the lead to four points.

From BBC Jun. 14, 2026

The specification is unnecessarily prolix throughout and contains an unduly large number of embodiments, Ex parte Blakemen, 98 OG 791.

From The Professional Approach by John Schoenherr

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