Place this clip right at the reveal in a reaction edit, then follow a beat later with the oh my god meme for a second shocked voice, or swap the follow-up for the bruh button when the moment turns from surprise to disbelief.
Über diesen Sound
A very short voice clip of PewDiePie saying 'oh my gah' in an exaggerated, drawn-out way, lasting under two seconds. It lands as pure stunned disbelief, the kind of over-the-top shock that turns a minor surprise into a joke. The stretched delivery makes it feel both incredulous and playful rather than genuinely alarmed.