Place it near the end of a reaction edit, after the setup has landed, so it acts as the final beat. Pair it with a goofy ahh sound first for the build-up, then follow it with a baby laughing meme to let the joke finish on a laugh.
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Peppu is a short meme clip, just under six seconds long, built around a single playful utterance of its name. It lands as a light, silly burst, more absurd than loud, with a bouncy rhythm that makes it feel like a tiny joke told in one breath. It works best as a quick reaction, turning an awkward pause or a dull moment into something unexpectedly funny.