Filian is a VTuber known for loud, chaotic livestreams and short reaction clips that circulate widely on streaming and social platforms, and this ayyayay burst is one of those instantly recognisable vocal moments. Fans clip and reuse her exaggerated reactions because they translate easily outside their original context, working as a shorthand for playful panic or surprise in edits, memes and gaming videos. Its brevity helps it spread, since creators can drop it into almost any short-form video without disrupting the pacing, keeping it popular as a quick reaction sound.