There is no widely documented original video or creator reliably tied to Diabéisso, so it is best understood as a short meme sound that has circulated through soundboards and short-form edits rather than as a quote from a known film or show. Its appeal comes from its brevity and its distinctive, instantly repeatable word, which makes it easy to drop into reactions, gaming clips and comedy edits without needing context. Because listeners recognise the sound from repeated online use, it continues to work as a quick shorthand for surprise and playful disbelief.