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."
#fauxgasm #faking it #orgasm #unfortunate #sad
by mic dundee June 24, 2007
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."
#creepy #grandmother #elderly #grandparents #senile #old
by Casper360 December 22, 2013
gmo
an emo that is gangster aswell
omg hannah your so gmo
#gmo #emo #gangster #funny #mix #mix it
by vorny January 10, 2008
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!!!
#cool #genetically modified organism #entity #sponcho #smart
by yosoybeachboy November 06, 2009
GMO
gay meth orgy
A 4 day drug fueled homosexual gang bang, gay meth orgy or GMO
#monkey pile #circle jerk #tip smoosh #fisting #punching
by bkkripper April 15, 2011
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
#emo #emotional #gay #fag #homo
by upincanada November 06, 2006
Gmo
Get Me Out
Say you are in school and you would like to leave you could tweet/text : in school gmo
#leave #hate #get #me #out
by Sarsaparilla1111 March 12, 2015
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