Roy Keane is a former Manchester United and Republic of Ireland captain who became famous after retirement for his brutally honest television punditry, where he rarely spares underperforming players. Short clips of his harshest verdicts circulate widely on football social media and soundboards because they capture his reputation in a few seconds. This big baby line fits that pattern perfectly, giving fans a ready-made put-down for soft play, diving and moaning. Its continued use comes from Keane himself, whose direct style remains instantly recognisable to football supporters.