Yo American Canada spoken language informal slang exclamation
A Way of saying "hey" or "hello", used as a greeting or to get someone's attention
Yo, long time, no see!
Yo Tom! How's it going?
Said when you want to shake hands with someone as a greeting or an agreement
This phrase is used to greet someone when they arrive in an insulting and playful way and show your dislike or disapproval of them.
Used to ask someone to send or deliver your greetings to someone else
This phrase is often used in the case of avoiding greeting someone first when seeing him/her on the street.
A source points to the 16th century for the origin of the term. The current popularity of this term is said to have evolved from its use in Philadelphia's Italian American population in the twentieth century, which spread to other ethnic groups in the city, notably among the African Americans, and later spread beyond Philadelphia.