Bill Self is the longtime head coach of the Kansas Jayhawks, a figure who regularly draws strong reactions from college basketball fans during close or frustrating games. This short clip circulates online as a sports reaction sound rather than as a widely known catchphrase from a broadcast, with its appeal coming from its directness and its recognisable target. Creators use it to voice frustration that many fans already feel, which is why it works best in short, topical edits about coaching decisions, losses and rivalry arguments instead of as a general insult.