Short giggle sounds like this one circulate widely as reaction audio in meme and short-form video culture, where a brief laugh can carry the joke without words. The hihi style is used for shy amusement, playful teasing and knowing reactions, and it fits easily into edits because it is short, recognisable and instantly readable. Similar giggles appear in chats, streams and social posts whenever someone wants a light response to something funny or awkward. Its continued use comes from that versatility, working across jokes, fails and cute moments without needing explanation.