What's on your mug?

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

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

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

oriental gangster *of the asian kind*

did you see Lisa Chen the other day? she's such an OG

By k.....t

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