OG

Old Grandma or Grandpa.

Slap dat OG fo pissin on hiself and put his old ayass into a home cuz.

by OG-Z January 26, 2008

OG

Original German. Refers to products originally manufactured in Germany, often when referring to parts used on vintage Volkswagen automobiles. In a similar context, it may also refer to original.

I just installed an OG front seat in my 1954 Barndoor Kombi.

by Everett Barnes August 07, 2004

OG

A type of kush that leaves a sizzling taste in your throat and gets you high instantly. But they must only be smoked by Asians or Niggers. White people who attempt to smoke this kush risk that chance of not remember what just happened to them.

Yo nigga pass me some of that OG!" *Passes joint to the Asian* "Thanks Bro

by Fedor Visentin December 25, 2010

OG

A term that an opportunistic thief, burglar or heeb uses when noticing, the look a gift horse in the mouth situation of, an obviously inadvertently left wide open garage / large storage shed with large door providing full and easy access to it's contents.

succinct definition: Open Garage

Driver - Holy shit, I don't think I have ever been lucky enough to see an OG in this affluent area of town, Brah.

Passenger - That OG is full of good shit......hurry up and turn this truck around before someone else tries to gank our easy score!

by sweetjimmy September 01, 2014

OGS

Over grown shoe syndrome

When a girl wears her older sisters shoes. Shoes usually belonging to a much sluttier older sibling a size or two larger in the feet department

"Jeeez Jo look at the state of her, she has a dose of the OGS probably a muffin top as well"

by Jo Dudley May 07, 2008

OG

In the 1970s, "O.G." was used to mean "Old Gal". In other words, "yo mama", which could -- of course -- have referred to your actual mama, or your wife, or your main squeeze.

"Hey man, how's yo' O.G. feel about you stayin' out late tonight?"

by RadioGeno June 27, 2005

og

OG: Someone who registered on OT in either 2000 or 2001 would be called an Original Gangster.

Mike: Wow, you're really an OG?

Bill: Ya rly.

Mike: Can I be an OG too?

Bill: No. OG doesn't mean "Been here a while gangster".

by BobnNeal August 02, 2006