Originally meant “Genetically Modified” as applied to foods. Now used as slang to describe unnaturally attractive ppl, or unnaturally attractive features. Interchangeable with “bad”
Damn her ass look gmo as fuck
Her face gmo forreal tho

Alternative sentence:he’s straight up genetically modified
by Gottaketchemall June 28, 2018
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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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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 6, 2009
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A 4 day drug fueled homosexual gang bang, gay meth orgy or GMO
by bkkripper April 16, 2011
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- A dog just bit my finger.

- GMO, dude!!
by Shamrrock April 18, 2021
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