yoo-hoo

yoo-hoo  {interj.}

- Используется в качестве неформального способа привлечь чье-либо внимание.

Louise opened the door and called "Yoo-hoo, Mother — are you home?"

See:

ALL RIGHT FOR YOU,

I'M TELLING YOU,

SAYS WHO or SAYS YOU,

THAT'S --- FOR YOU,

WHAT HAVE YOU.