This sound is widely used online as a reaction clip built around the phrase “just a prank bro,” a line associated with prank culture and apology-by-excuse humor. Rather than pointing to one definitive source, creators usually use it as shorthand for videos where someone crosses a line and then tries to laugh it off. It spread through meme edits, short-form compilations and reaction videos because the wording is instantly recognizable and easy to match with awkward reveals, much like a bruh reaction.