usually used to refer to a boy who is a bit of a rudeboi but like to dress good and look good therefore looking emo. its the words gangster and emo put together therefore becoming gmo.
Boy1: Mandemm what are you wearing. you look like an emo.
Boy2: Nahh manndemm, im goin owt with tha gash init so i gta look gud, its gmo.
by C-Dott March 25, 2008
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When the booty is so fat and juicy it goes beyond just thicc
That Kim K. isn't just thicc, she GMO thicc.
by Becca DeBus September 14, 2017
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An orgasm achieved by the means of a sex toy or multiple sex toys, with or without a human partner.
That vibrator sure did produce one hell of a Genetically Modified Orgasm (GMO)!
by Nemo & Dory September 17, 2018
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A word a group of friends call each other to show respect.
Hey GMO!
by UrrMoMm November 13, 2019
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After sending a "GMO " text to the manufacture in a DM, they sent me the product for free.
by CLOUD⁹ October 27, 2021
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