Place it at the end of a fail or prank sequence, after the reveal and before the outro, so the laugh becomes the payoff. Pair it with sudden suspense beforehand to build tension, then follow it with Nelson's ha-ha for a second laugh that keeps the joke going.
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This is a 16-second burst of wild, uncontrolled laughter that builds into a full crazy laugh, with a manic, over-the-top delivery that sounds both delighted and unhinged. It feels mischievous and a little unsettling, the kind of laugh that makes a listener grin before they know why.