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

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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it is online talk the people need to stop using in the real world!!!!!!
Girl-Omg those shoes are so cute
Girl 2- Omg that is so true
by Jaiver March 13, 2008
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Interjection used by newbies to strengthen their arguements. Usually placed at the beginning of a sentence but after being fragged.
"OMG I hedhs0t j00 U HaxX0r."
by Bolt August 17, 2004
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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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A internet abbreviation for "Oh my god". 12-14 year old girls usually use it.

Wrong - "OMG THAT IS SO COOL"
Right - "OH MY GOD, THAT IS SO COOL"
lYkK 0m9z!!`~`!!1!!one. 7h47 iZ sO K3w1!!1!oneoneone. c4n WE pLsSs fXcKKKz0rzXc0r3???????????????!!

omg can you like, put that in like, a sentence, and then i'll totally give you a totally like, blowjob, like!
by Plastic Jesus January 09, 2007
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Short for oh my god! Normally used when exited or scared.
OMG! I just got a thousand likes!!!!
by Paigey3124 March 07, 2015
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Teenage language for "oh my god." Usually said when something surprising or exciting happens.
OMG Emma, these shoes are totally awesome.
by spongeboblover101 November 16, 2017
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