The phrase hao da wo is everyday Mandarin for so big, and this clip captures it as a quick, amazed reaction rather than a line from a known film, show or song. Short reaction sounds like this spread through meme edits and soundboard collections, where a single phrase can be reused across different videos. Its appeal is practical: it needs no translation for viewers who recognise the tone, and it fits the fast pace of short-form video. Because it is under a second long, creators can drop it into a reveal without breaking the rhythm of an edit.