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ZOMG is a varient of the all-too-popular acronym "OMG", meaning "Oh My God". ZOMG originated from the imageboard 4chan.org and one of it's members Zardoz.

Always used in all-caps, 'ZOMG' is generally used in a sarcastic manner, more often than not a humiliating fasion. It is also used as a device for stating the obvious.
ZOMG REI-CHAN!!! - A 4Chan user exclaiming sarcastic joy over a picture of Rei from Evangelion.
by Sniffles March 10, 2005
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An awsome version of OMG. Usually used to mock the people who use the term "OMG" every other sentance.
by Freaky Kayla Person January 06, 2007
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ZOMG is neither an acronym nor a word; it is an entity. ZOMG is a mythological figure who wields a sword tainted with the blood of emo kids. He slightly resembles a combination of a disdainful viking and the Motörhead skull mascot.

And if UD allowed images, I would post ZOMG in all his Viking glory. I will edit this entry in future when I can post an image.

ZOMG, the vikingotörhead, owns all your foolish definitions.
ZOMG is not an example, either!!!
by Motörmeshie November 27, 2006
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How thirty-year-olds that live with their moms say 'OMG'.
zOMG! My mom just made me bagel bitezz!

WILL YOU BE MY ONLINE GF?@?!?!??!? ?ZOMG YES
by krazykushluk June 24, 2006
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zOMG is a Gaia Online MMORPG game based in the world of Gaia. In this game objects have some how become animated and it's up to you and the rest of Gaia to help save Barton Town (and the other districts of Gaia) from The Animated. Obtain more rings (the weapons used by the players) by completing quests, or go to the Cash Shop or Nic's store and buy an array of different items to help you in your battles.
This English lesson is really boring. Lets go on Gaia Online and play zOMG, the best MMO around!
by Nightmare Zodiac December 18, 2010
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It is a a version of omg that mocks it, being that you can accidentaly hit the z key when trying to hit the right shift key fp OMG, from there it developed into an accronym to mock the entire online/l33t language
person 1: OMG i just raped a lvl 21
person 2: ZOMG STFU NOOB!!!
by andrew m June 17, 2006
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