Joe Biden has used 'come on, man' for years as a folksy, exasperated response when dismissing an argument he considers silly or unfair, and the phrase became closely associated with him during his 2020 presidential campaign. Clips of the line circulated widely on social media, where users turned it into a reusable reaction sound for political commentary, debates and everyday frustrations. Its staying power comes from its simplicity: it works without context, sounds like a familiar scolding from an older relative, and instantly signals disbelief.