Whistle is a 2012 single by American rapper Flo Rida, released as part of his album Wild Ones and built around a simple whistled melody that became its signature hook. The song topped charts in several countries and stayed in heavy radio rotation, which made the whistle instantly familiar even to listeners who did not know the lyrics. Years later, short clips of the hook found a second life in short-form video, where creators use it as shorthand for confidence, attraction or playful swagger in edits and reaction videos.