Put it near the end of a fail sequence, after Sudden Suspense builds the tension and just before Oh My God Wow reacts to the result, so it becomes the payoff rather than the opening gag.
關於此聲音
This is a one-and-a-quarter-second voice clip of a child letting out a loud, frustrated shout, with the punchy 'DLC ENERGY' attitude in its title. It feels comically over-the-top, like a tiny tantrum turned up far beyond the moment that caused it, and it lands as pure, silly frustration.