The phrase is a familiar Tagalog expression of shock and disbelief, shortened here to its opening sounds, which is why it feels instantly recognisable to Filipino listeners even without the full wording. As a short reaction sound it has circulated on soundboards and in meme edits, where creators reuse it to punctuate moments of audacity, embarrassment or playful scolding. Its appeal is its tone rather than any single video: the voice acts as caption, reaction and punchline at once. Because it is brief and expressive, it keeps appearing in new edits.