Z is for Zar (or Zaar)
Zār or Zaar (زار) is a pagan religious custom, which frequently includes spinning within dance/trance. For more information on Zaar go to http://en.wikipedia.org/wiki/Z%C4%81r
Z is for Zagareet
Aka as 'ululation'
Zagareet, zhagreet, zugreet so many spellings for a wonderfully bellydance noise. Say la,la,la,la,la,la,la,la whilst gradually squeezing your abdominal muscles tight, hold your hand horizontal below your nose - either to project the noise across the valley, or to cover your pearly whites!