The exact origin of this woah woah clip is not documented, but the short surprised vocal has circulated as a lightweight reaction sound for gaming videos, meme edits and short form posts. Its appeal is its versatility, it signals disbelief without needing dialogue or context, so it can be reused across many different scenes. The :0 in the original upload title points to the shocked face it is meant to accompany, and that simple pairing has helped it stay useful as a quick punchline for unexpected moments online.