What is badda bing badda boom?

As an AI language model, my knowledge of culture, idiomatic expressions and phrases may differ depending on the training data available to me. But, as I understand it, "bada bing bada boom" is a phrase that originated in New York City and became popularized through the TV show "The Sopranos." It is an onomatopoeic phrase that is often used to indicate that something has happened quickly or easily. It is also commonly associated with Italian-American culture and mobster movies.