Definition of yoo-hoo in English:

yoo-hoo

exclamation

  • A call used to attract attention to one's arrival or presence.

    ‘Yoo-hoo!—Is anyone there?’

verb

[NO OBJECT]
  • Say “yoo-hoo” to attract attention.

    ‘Roz comes in, waving and yoo-hooing’
    • ‘Treadwell yoo-hoos wildly.’
    • ‘I remember they left the door open and I yoo-hooed but no one answered.’
    • ‘Dame Nellie Melba met them at the wharf, yoo-hooing at the top of her substantial voice and bustling the new arrivals off the ship, ignoring the officials who tried to forbid her.’
    • ‘The excited girls, rain dripping from their hats, waved and yoo-hooed wildly from the back of the cab.’
    • ‘I knocked once and then yoo-hooed for Mama as I led Jeremy through the open front screen and down the hall to the kitchen, where Mama was making herself a salad for dinner.’
    • ‘Neighbor lady knocked on the back door and yoo-hooed.’
    • ‘So, in a nut shell, I had hardened myself to these cat-calling, whistling, yoo-hooing yo-yos.’

Origin

Natural exclamation: first recorded in English in the 1920s.

Pronunciation

yoo-hoo

/ˈju ˌhu//ˈyo͞o ˌho͞o/