object management group
A group including IBM, Apple and Sun Microsystem to create a cross-compatible distributed object standard. Later it simply stood for Oh My God.
Person 1: My parents work for IBM who is part of OMG.
Person 2: ?????
by V C September 02, 2005

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Abbreviated form of oh my god. An exclamation used in conjuction with 'like' and 'ewww' to obviously showcase the declining education of pre-teen and teenage girls. Used to annoy everyone else.
OMG!! This guy like totally IMed me for sum SEX! Like EWWWWWWW!!
by glitterfaerie January 31, 2003

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Oversized Male Genitalia
1. Oh my god, he's got MAJOR OMG!!!
2. Because his uber OMG, it was impossible for him to wear skinny jeans.
by LittleBananas August 22, 2010

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Omg means Oh My God or Oh my Gosh.

Usally used for a short way to say it or just fun.
"Omg like no way"

"Omg shut the fizzuck up"
by Sara & Baylee December 02, 2004

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"Oh my god"
(or OMFG meaning "Oh my fucking god")
Person A: Guess what?
Person B: What?
Person A: I went to the Green Day concert!
Person B: OMG, that is so awesome!!
by crystal-anne July 16, 2006

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The object management group, a consortium for computer industry specifications.
"UML is OMG compliant"
by kri February 10, 2005

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1. internet shorthand usually meaning 'oh my god' or 'oh my gosh' (see omgsh). often used in online multiplayer games to suggest extreme discontent with a situation (see stfu).

2. abbreviation for musical group 'oatmeal my gestapo'.
1. omg gay.

2. omg is my favorite band.
by bud newman. February 28, 2003

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