GMO
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 19, 2004

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Top Definition
gmo
n. 1. genetically modified orgasm. 2. to have a fake orgasm.
"I just found out my girlfriend has been GMOing on me."

"Jenna Jameson is the queen of GMOing."
by mic dundee June 24, 2007

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noun - An abbreviation of Grandmother.
James: "Yo, dog, I saw my G'Mo yesterday. That bitch gave me money and cookies."
Bob: "My G'Mo's a babe.

Kristian: "My G'Mo was looking over at my emails."
Zach: "She be a creepy bitch."
by Casper360 December 22, 2013

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gmo
an emo that is gangster aswell
omg hannah your so gmo
by vorny January 10, 2008

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GMO
Acronym for "Genetically Modified Organism" used to identify someone that is too cool/smart/sponcho/weird to be a real human. Entity/supernatural being who could have been originated only through genetic engineering techniques.
A - damn,look at that chick..she's so hoooot!!
B - yaaaa...she's GMO!!!

A - ..that guy's arrived ONLY 10min ago and he's having his 6th Jack!!
B - wow..maybe he's GMO;)

A - have you heard about the last Bolt's world record?
B - sure...he's too GMO!!!
by yosoybeachboy November 06, 2009

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GMO
gay meth orgy
A 4 day drug fueled homosexual gang bang, gay meth orgy or GMO
by bkkripper April 15, 2011

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emo (emotional) and gay (homosexual)
to the ex girlfriend: "Yo! You said you were seeing someone else and i was kinda jealous,but that was before I knew he was g mo! Later
by upincanada November 06, 2006

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GMO
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
via giphy
by Game mode 0 February 15, 2017

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