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Formerly known as "OMG", "GMO" was created by a couple of VERY intelligent people in order to stop the madness that is (or was) "OMG". It can also be known as "GMFO", since, well, you'll know why...the definition of "GMO" is not only oh my goodness! messed up, but is also "goodness! my oligarchy!". However, since recent studies have found that "GMO" ALSO means "genetically modified organism", it has been also been developed int "MOG" (Melon of gum disease)
"I have two thumbs."

"I want to rule you."
by **spazzy** January 18, 2007
10 57
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
81 59
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
17 3
an emo that is gangster aswell
omg hannah your so gmo
by vorny January 10, 2008
48 43
gay meth orgy
A 4 day drug fueled homosexual gang bang, gay meth orgy or GMO
by bkkripper April 15, 2011
37 35
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
13 12
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
25 26
(the word gangster in this definition is used as a generalization for all ghetto peeps, wiggers, those obsessed with talking black (ebonics), and "G's". lol)

1. An emo gangster.

2. A gangster that cuts.

3. A gangster that whines like a little bitch about everything.

4. A gangster that can't quit bitching.

5. An emo that thinks s/he's gangster.

6. An emo that acts gangster.

7. An emo that is in a gang.
FOO, YOU A GANGSTA, YOU CAN'T CUT!!! "It's a'ight, dawg, I'm G-Mo"

"Dawg, you sound like my girlfriend when you bitch like that." "I'm G-Mo, I can bitch all I want."
by Chris Abbott 'aka' Reposiric April 29, 2007
9 10