1 definition by A I Am

What you say when something is outrageous (usually accompanied with a shaking of the head or outstretched hand)
-Sees her mother twerking-
Jane: Oh Nah!

Jim: Jane, would you ever date me?
Jane: Oh nah!

Jane: Yo when I went to the party all I saw was twerking yo, I was like Oh Nah! I was OUT! I ain't about that life, son.
Jim: Word tho, I saw Mary all up on John, getting it in like Flynn!
Jane: Oh Nah! You bugging! Stop lying.
Jim: Straight up tho.
by A I Am November 16, 2013
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