Goblin laughter has become a shorthand online for cheeky, scheming mischief, borrowing the familiar sound of a small fantasy creature delighting in trouble. Creators reuse this kind of cackle across gaming streams, reaction videos and short-form edits because it needs no explanation: listeners instantly hear a trickster at work. It pairs naturally with other exaggerated reaction sounds, from goofy vocal effects to sudden screams, and stays popular because it can mock a fail, celebrate a sneaky win or turn an ordinary prank into a fantasy-style joke without any dialogue.