look up any word, like rockabilly girl:
 
1.
interjection-like word meaning "no", "doubtful", "definitely not", or other such negative phrases. Must be accompanied by closing the eyes, tilting the head back and waving the hands in a negative motion.
"Ey, would you smash Julie?"
"Nah son."
by Paul L-K (while blunted) March 22, 2005