Cubibibibism has no clear credited source, and it circulates online mainly as a short, user-shared vocal clip rather than a line from a film, show or song. Its appeal comes from the simple lalala chant, a sound that is instantly recognisable as playful nonsense and easy to reuse in many contexts. Creators pick it up for memes, reaction edits and short videos because it needs no explanation and sets a light tone in seconds. That flexibility has kept it in rotation as a small, shareable piece of internet humour.