cooee
exclamation
[ ˈkuːiː ]
• used to attract attention, especially at a distance.
• "‘Cooee!’ The call brought all three heads round"
cooee
verb
• make a call to attract attention.
• "Liz had to cooee as he seemed in danger of blundering into the table"
Origin:
late 18th century: imitative of a signal used by Australian Aboriginal people and copied by settlers.