This sound is tied to CaseOh, a creator whose reaction moments are widely clipped and reposted across short-form meme pages, streams and compilations. “What is that” spread because the line is simple, instantly readable and easy to drop over almost any strange visual. It often appears alongside other exaggerated reaction staples like bruh or goofy ahh sounds when editors want a louder comedic payoff. The clip stays popular because it fits gaming fails, cursed images, awkward outfits and chaotic reveal edits without needing much setup.
About this sound
A shocked CaseOh reaction clip saying “what is that,” used in memes, edits and streams when something weird, cursed or unexpectedly ugly appears on screen.
This sound is a short reaction clip of CaseOh blurting out “what is that” in a loud, baffled tone. The delivery sounds instantly confused and slightly disgusted, which makes it perfect for punchlines built around strange reveals, ugly character designs, broken game models or chaotic food videos. It lands best when the audience gets a clear visual first and then the voice drops in half a beat later. The effect is a fast, recognizable hit of disbelief that turns an already odd moment into a bigger joke.