What is boo ya?

Boo-ya is a slang term that originated in African American culture and is commonly used as an expression of excitement or approval, similar to "hell yeah" or "that's awesome." It can also be used as a way to challenge or taunt someone, as in "you can't handle this, boo-ya." The word has become somewhat dated in popular culture, having peaked in usage in the 1990s and early 2000s. It has been used in various forms of media, including music, TV shows, and movies. The term is believed to have originated in the southern United States, particularly in Louisiana, and is linked to the Creole language and culture.