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2.
A phrase coined from the anime Higurashi no Naku Koro ni, often said by the character Rika Furude.
It has no real meaning, and is more just a cute saying.
"So you need the Soy Sauce?"
"Ni-Pah"
by NiPah August 30, 2007
 
1.
The catch phrase of a character from the seinen anime, Higurashi no Naku Koro ni. Nipah doesn't really have a meaning, but it sure as hell is fun to say!
"Nipah!" Rika grinned, gesturing for Satoko to follow her.
by Simply Doomed January 19, 2009