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7.
OG
Orangutan Ganja - Really strong weed that Asian Orangutans smoked with Budda. Now used as a marketing term universal adjective that has largely lost its original meaning. Used to describe strong weed (i.e., OG Kush, OG Sativa, OG Indica, etc.).
Hey, I got some OG at the dispensary.
This stuff is real Orangutan Ganja.
by Jack Meough March 15, 2010
 
29.
OG
Mike Ogulnick, the man with the bushiest eyebrows in all of Chicago radio, now the radio host for the Texas Rangers. The mackest of the mack daddies.
OG is the very definition of a smarmy douchebag.

Most annoying of all, though, is the inexplicable narcissism that defines OG's broadcasts.

MJH were ripping OG because Jurko laid out $200 to buy breakfast for the ESPN staff and OG, upon spying the sumptuous spread, whined that "there's no butter for my bagels".
by Anusface aka Penisbreath November 12, 2009
 
30.
OG
Original Giani
OHHH SHIEET LOOK AT THAT OG'S PUGH!!
by ORIGINAL GIANI August 16, 2011
 
31.
OG
Original Greg (Nance). It used to mean Original Gangsta, but that meaning is slowly being phased out.
That greg nance is OG.
by truthspeaker505905 April 28, 2011
 
32.
OG
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
 
33.
OG
What Certain "original gangsters" and skaters say to express how they feel about boy band Backstreet Boys
Josh: "Is that the Backstreet Boys? They're so OG!"
Dani: (Shakes head in disapproval)
by Zakxx April 12, 2010
 
34.
OG
something/someone thats awesome.
example 1:

"damn dawg marcus is a OG!"

example 2:

"that songs fuckin OG!"
by thatOG March 09, 2010
 
35.
OG
an alias for Starcraft. originated when people in starcraft chatrooms waiting to start the game typed GO GO GO. some mispelled and typed OGOGOG instead and word picked up from there.
Do you want to OG?

Lets OG!

Its OG TIME!

OGOGOGOGOG
by OriginatorOfOG September 02, 2009