Top Definition
A misspelling of "omg" that was backronymed to mean "Oh, hi God", as if a child discovered stealing a cookie. Usually said when one is in the process of doing something the lord would look down upon, such as watching certain late night films.
Person 1: Hey, Hot Tub Fun Times is on. I know its your favorite.
Person 2: OHG
by GrillyG November 06, 2009
Oh Hai Guize, "Oh hey guys," misspelled. Used as a way to greet friends online.
On group AIM chat:
Person 1: OHG!
Others: Hey, Hai!, Hi, etc.
by Sanjaythebamf January 19, 2010
derived from OG Original Gangster. Now it applys to women. Original HOT GIRL
The Og and the OHG Daaaaamn.
by Jon M. S. September 21, 2004
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