yoo
interj. C2 Proficiency US //ˈju// yoo
interj. a very casual way to get someone's attention or say hello. It is similar to saying 'hey' but feels even more relaxed and friendly.
interj. an informal greeting or attention-seeking call. Often used as a variant of 'yo' to signal casual social proximity.
Yoo, are you coming to the party tonight?
He shouted 'Yoo!' across the street when he spotted his friend waiting at the bus stop.
While 'yoo' serves as a functional greeting in digital messaging, its elongated vowel often conveys a sense of enthusiasm or a relaxed social register that standard greetings lack.
Usage
Typically used at the beginning of a sentence or as a standalone call to get attention.