A fork of Rural Dictionary
A negative response to a statement. This answer first acknowledges that he/she understands what the other party is saying but ultimately he/she disagrees. Its a firm hard-no type of response delivered with a diplomatic spin.
It typically precedes some sort of follow up statement that might provide some perspective on why the answer is no, or it may simply be an insult.
"Yeh nah. You're an idiot."
"Yeh nah. Futurama was in no way better than the Simpsons."