Top Definition
(1) Something you shout when you get excited.
(2) Lyrics from a popular song from a beer commercial.
(3) A description for hair that has not been washed recently.
(1) "You won the lottery? That's awesome! nib-nib-nabby!"
(2) "Sing it out loud, sing it nib-nib-nabby!"
(3) "Damn! That girl's hair is nib-nib-nabby."
by Mad, A Gas. Car? June 23, 2011
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