Put this clip at the centre of a reveal sequence, right on the appearance you want to celebrate, then follow a happy payoff with Yaaaay Cheer Sound or answer an anticlimactic one with The Bruh Sound Effect.
About this sound
This is a short Japanese voice clip, lasting about three seconds, in which an excited speaker repeats deta again and again, letting the last one trail on longer than the rest. The phrase means there it is, or it has appeared. It feels funny and triumphant, turning a simple reveal into a moment of delighted recognition that lands instantly.