The line comes from SpongeBob SquarePants, the long-running animated series where Patrick Star is SpongeBob's dim but loyal best friend. Voiced by Bill Fagerbakke, Patrick often misunderstands insults and answers with total confidence, which is why this short retort spread so easily online. Fans clipped it for forums, videos and soundboards alongside other SpongeBob clips like SpongeBob Fail, and it stayed popular as a ready-made comeback. Its appeal is simple: one recognisable cartoon voice reacting to a playground insult, usable in almost any teasing situation without needing context.