Definition

The classic playground comeback used to contradict someone's 'nuh-uh,' typically delivered with escalating intensity until one party concedes or walks away in frustration. It's the verbal equivalent of an unstoppable force meeting an immovable object.

Example Usage

Kid 1: 'There's no way that's real.' Kid 2: 'Yeah-huh!' Kid 1: 'Nuh-uh!' Kid 2: 'YEAH-HUH!'

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=yeah-huh&defid=3355845)