Top Definition
Original gangster
someone who has been around, old school gangster
by Levdog February 14, 2004
any original gangster from any original street gang.
my tio is an o.g. from the west side longos.
by sisters of the o.g. November 23, 2005
Overly Gay

Someone that Over usess OG and names them self an OG.
OG can only be given to someone by a group of people that are thier peers.
That gamer can't be an OG he named him self an og and he is less then 30 years old maybe he is an OG - Overly Gay
by HotShotKev February 17, 2014
Original Giani
OHHH SHIEET LOOK AT THAT OG'S PUGH!!
by ORIGINAL GIANI August 16, 2011
To be used in place of the word "hello".
Can also be used in place of Hi, but never Hey.
Person 1: Og
Person 2: Og, how are you?
by I have 3 first names June 01, 2011
Older Girl. Similar to LG: little girl. but if you are a little boy and you are going out with and older girl
Dude, are you going out with an OG? niceeeee!
by poopismylife May 17, 2011
Olive Garden - an American Institution
Let's go to the o g.
by girly girl 123 November 11, 2010
Original Gansta
Or
Ol' Girl
Which means your mom.
Ice T is an OG

Ma OG keep calling me, damn, I think she found out I got an F on my exam.
by DamnIt69 May 11, 2010
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