The phrase sashiburi no oishi comes from Japanese television food reporting, where presenters react very expressively after a first taste to convey flavour to the audience. Clips like this one were later cut down and shared online as standalone reaction audio, detached from the original dish or programme. Its appeal online is the instant translation of delight without needing subtitles, as the rising excitement and final aah communicate everything, so creators reuse it for food, anime edits, and any moment of unexpectedly happy surprise.