Moismoisie circulates as a short user-shared soundboard clip rather than a widely documented mainstream release, and its appeal comes mainly from the strangeness of the word itself. Short-form creators pick it up because it is brief, easy to drop into edits and instantly repeatable in comments and captions. With no established character or scene attached to it, the sound works as a blank reaction: listeners project their own joke onto the odd syllables, which helps it travel across different kinds of funny videos.