In internet chatrooms, Oh My God.

Pronounced oh em gee when spoken aloud.
O M G, that camper pwned everyone in Unreal Tourney!
by Sabaku no Gaara October 15, 2005

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It's supposed to mean "Oh my god", however it fails in several ways...

1. If you don't believe in God, then what is the point of it all?
2. If you do believe in God, most god-believing people think it is a sin to use God's name when not praying.
Teenager: OMG!! lol i g0tz spikey toilet paper!1!11!
by S.T.A.L.K.E.R. June 29, 2009

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Usually said in chat rooms or online forums etc. Short form of "OH MY GOD!!!"
"OMG"
"WTF?"
"LOL"
"WTF?"
"ROFL!"
etc
by Kristjan May 13, 2005

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OMG stands for Omnipresent Meatball God. OMG is the god of meatballs, and he is also constantly with you.
Of the many gods, OMG spends the most time with humans.
by Beckley April 26, 2009

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Often similar to OMG, it is used for those of different religions that tend to have more than one god, (Oh My Gods). Of course, some also add the 's' at the end to try to make it appear more unique, such as done with Lolz.
"OMGs! That's awful!"
"OMGs! So cool!"
"OMGs! Lolz!"
by Ukiuki July 02, 2005

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Net-centric abbreviation for the popular exclamation "Oh my God/goodness/gosh!" (generally used in conversations to exclaim surprise or disgust). Most commonly used by teenage girls who find it depressingly hard to type out an entire word. Reinforces assumptions that humans seem to be getting dumber from generation to generation. See also u, like.
Teenage idiot: "like OMG did u c dat totaly cutte gy? he wuz like, so cutte"

Silent then proceeds to sock her in the face.
by fhk x3 May 14, 2016

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an excessively over used phrase brought on by lazy teens who don't feel like typing oh my god.
OMG! i broke a nail.
by Emma Tom May 05, 2007

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