hoo
interj. C2 Proficiency US //ˈhu// UK //hˈuː// hoo
interj. a sound people used to make a long time ago to show they were excited or to get someone's attention. It is very rare today and you will mostly see it in old books or poems.
interj. an exclamation used to express excitement, exultation, or to attract attention. Primarily encountered in early modern English literature or historical texts.
Hoo! What a wonderful sight this is!
The old hunter cried 'Hoo!' to signal his companions across the foggy valley.
In the archaic verse, the protagonist lets out a triumphant 'Hoo' upon discovering the hidden treasure, a stylistic choice intended to evoke a sense of ancient folk tradition.
Usage
Typically used as a standalone exclamation or at the beginning of a sentence.