OG 

Slang for mother

My og said u can stay bro

OG by Ppl2015 October 7, 2017

OG 

A big time player/pimp.

Snoop dog is a big time OG.

OG by James Taylorr July 26, 2008

OG 

orealginal gangsta: meaning no matter what anotha nigga tell you is gangsta u follow your our g-code.

OG Kyle C has been an OG since age 13 when he became his own man.

OG by Kyle Charles June 19, 2007

Og 

To fuck (sexual manner)someone without any tissues or phone numbers attached. Emotionally devoid sex. Usually done only in the doggy style position to avoid any eye contact and thereby eliminate any risk of attachment.
Not gender specific.

1. Crikey she's daft - but I'd og her senseless

2. Oh him? Nah he's really only good for a good og'ging - don't expect a toe massage with it.

3. I think we had a good og once, but I can't be sure I didn't really get that good a look at his face...

Og by MuddlePuddle December 14, 2008

og 

someone so gangster, ther gangster to the maxxx 4 life

"u see that girl, fiona, shes og"

og by classic supream October 11, 2006

og 

someone so gangster, ther gangster to the maxxx 4 life

"u see that girl, fiona, shes og"

og by classic supream October 13, 2006

OG 

something/someone thats awesome.

example 1:

"damn dawg marcus is a OG!"

example 2:

"that songs fuckin OG!"

OG by thatOG March 10, 2010