bada bing bada boom

Meanings

1. Expressing that something was easily completed, was simple to accomplish, or followed as a direct consequence.
2. Used to euphemize a statement, sometimes to the extent that only the initiated will understand the implied meaning.

Etymology

Of ideophonic origin. First appears in the Pat Cooper routine The Italian Wedding (1958). Popularized by film The Godfather (1972) and the television series The Sopranos from the 1990s.