Source : Webster's Revised Unabridged Dictionary (1913)

Cooey \Coo"ey\, Cooee \Coo"ee\, n. [Of imitative origin.]
   A peculiar cry uttered by the Australian aborigines as a call
   to attract attention, and also in common use among the
   Australian colonists. In the actual call the first syllable
   is much prolonged (k[=oo]"-) and the second ends in a shrill,
   staccato [=e]. To represent the sound itself the spelling
   {cooee} is generally used.

   {Within cooey}, within earshot.

Cooey \Coo"ey\, Cooee \Coo"ee\, v. i. [imp. & p. p. {Cooeyed} or
   {Cooeed}; p. pr. & vb. n. {Cooeying} or {Cooeeing}.]
   To call out cooee. [Australia]

         I cooeyed and beckoned them to approach. --E. Giles.

Cooey \Coo"ey\, Cooee \Coo"ee\, n. [Of imitative origin.]
   A peculiar whistling sound made by the Australian aborigenes
   as a call or signal. [Written also {cooie}.]