A fusion of the words "no" and "yeah". Used to annoy people who ask too many "yes" or "no" questions; or to say "yes" and "no" to controversial topics to avoid upsetting anyone.
Question: should marijuana be legalized to the same capacity as alcohol?
Answer : Nah
Question: did you put the bacon in the freezer yet?
Answer: Nah
A girl says this when she thinks she's ugly and fat when she's so beautiful and amazing
Boy:Your beautiful
Girl:Nah
You say this when you are too damn lazy to say no
Boy 1...Hey you coming to the party?
You...Nah...