In modern European and Lusophone African slang, is a synonym for sair (to leave) or ir embora (to go away). It is roughly equivalent to English expressions like "I'm heading out," "I'm splitting," or "I'm ghosting."
Since you asked for an article, here is one focused on the colorful world of Portuguese slang, specifically explaining the origin and use of "bazar." Ell sien TEREZA ESTOU A BAZAR
"Estou a Bazar": Navigating the World of Portuguese Street Slang In modern European and Lusophone African slang, is
In the phrase "Ell sien TEREZA ESTOU A BAZAR," it appears you are using the artist name (a musical artist known for tracks like "Novidades Da Banda") combined with a message to someone named Tereza stating that you are heading out. " "I'm splitting
In Portugal, this means to joke or make fun of someone, though visitors should be careful as it has a much more explicit sexual meaning in Brazil.