yoo-hoo
exclamation
[ ˈjuːhuː ]
• a call used to attract attention to one's arrival or presence.
• "Yoo-hoo!—Is anyone there?"
yoo-hoo
verb
• say ‘yoo-hoo’ to attract attention.
• "Roz comes in, waving and yoo-hooing"
Origin:
natural exclamation: first recorded in English in the 1920s.
