1. The acronym for "Genetically Modified Organism", such as corn.

2. The acronym OMG (oh my God) reversed to make fun of those who say OMG.

3. Basically OMG reversed, but with words to go with the letters. It stands for "Goodness! My oligarchy!" For those who don't know, an oligarchy is a system of government where a very small group of people control the whole government.
1. Ew, don't you know that what you're eating is a GMO?

2. A: Like, OMG, I got some awesome shoes!
B: Yeah, like, GMO...

3. A: How hard is the history test on ancient Mediterranean
governments?
B: I failed it...
A: GMO! How could it be that hard?
by JacktheShipper January 23, 2007
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'Gmo' is a person who is an emo but has turned a bit gangster.

A emo that is a bit gangster

People who are too hardcore.. for other emos... but to hardcore for G's. THEY ARE GMO'S
Talia says 'wow Hannah is well gmo'
by J gmo January 13, 2008
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GMO stands for “genetically modified organism”, which is a new organism, not found in nature, created by scientists when they genetically modify or engineer food plants. Health and environmental risks with genetically modified foods have been identified.
GMOS can be a good thing or a bad thing
by Game mode 0 February 15, 2017
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GMO is what happens when an EMO person falls into Gangsterish clothing.

Gmo stands for Gangster Emo.

This was started by original GMO from northampton, UK.

His name was nathan simpson and he had myspace as all emo's did.

<a href="http://myspace.com/lasttaste">His myspace</a>

that is the original GMO's MYspace
"OMG your so cool GMO"
"I love them Air forces with them skinny's your such a GMO."
by Flifgdas: March 25, 2007
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Genetically-Modified Organism, such as frankenfoods, of questionable safety due to lack of testing.
Growing numbers of people are refusing to trust GMOs.
by red_beard_neo May 20, 2004
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Gmo is ultimately the reverse spelling of the abbreviation, "O.M.G." which holds the representation of the words, "Oh my God," however due to the frequently visited quality of laziness associated with typing within the surreal boundaries that create the internet, O.M.G. is often stated as "OMG," the case being either capital or lowercase. Thus "gmo" should be referring to the phrase, "God my oh," whose meaning is not associated in any way with this definition, and therefore shall all questions pertaining to such as the meaning behind these words be ignored.
GmoOwnzU's above definition lacks purpose in being, for it is completely irrelevent to all possible associations with life, the world around us, and any worlds that may lie within our beyond ours. Due internet pseudonym being the object of supposed talent in the above definition, I shall thus exclaim that Theodorus is greater than all, his mere existence being a bolster to every community throughout the world, thus promoting well-being, humanity, and all other items which can be associated with wellness, goodness, and any other word that has at least one positive meaning (all words with negetive meanings are excluded from Theodorus's description).
by Theodorus April 29, 2004
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Say you are in school and you would like to leave you could tweet/text : in school gmo
by Sarsaparilla1111 March 12, 2015
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