Chan chan ochi is a Japanese phrase for a comedic ending, with ochi referring to the punchline of a joke or story, and the short chan chan figure acting as its closing signal. Online, the clip circulates as a compact reaction sound for short videos, where creators place it after a failed joke, a clumsy moment or an anticlimactic reveal to mark the end of the bit. Because it is only about two seconds long, it fits into fast edits and reaction compilations without interrupting the pacing, and its appeal is the signal that the bit is over.