The exact source of this particular clip is unclear from the available information, but "nom nom nom" has long been used online as a playful written and spoken way to represent eating. Short versions like this became common in anime edits, food memes and reaction posts because they communicate exaggerated hunger in under three seconds. The sound stays popular because it is simple, family friendly and easy to sync with bite animations, snack montages and comedic chewing moments across short-form video platforms.