To denote a sense of disbelief.
1) Nah ah! (said just by itself), 2) Nah ah, that didn't really happened., 3) Did you do that, nah ah?
by OreoTime1 November 15, 2013
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it means 'obviously-nope'
Sister to Brother: "Hey bro! Want to come out with me and my girlfriends to a jewelry party?!"
Brother to Sister: "Ah nah."
by Aero81 October 15, 2010
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