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.
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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the scientific name for a "fake person"
by lashade_henry July 24, 2017
by CLOUD⁹ October 27, 2021