The Collaborative International Dictionary of English v.0.48:

Pah \Pah\, interj.
   An exclamation expressing disgust or contempt. See Bah.
   [1913 Webster]

         Fie! fie! fie! pah! pah! Give me an ounce of civet,
         good apothecary, to sweeten my imagination. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pah \Pah\, n. [From native name.]
   A kind of stockaded intrenchment. [New Zealand.] --Farrow.
   [1913 Webster]