Place it as the climax of a short reaction sequence, after an Oh My God Meme line sets up the reveal and before a Bruh lands the deadpan reply, so the edit moves from setup to a flat punchline.
このサウンドについて
This is a loud, frantic scream lasting just under six seconds, delivered at full volume with a sudden, startled burst that feels like someone has just seen something unbelievable. It gives a jolt of comic panic, exaggerated enough to be funny rather than frightening, and works best as a burst of pure shock.