This clip circulates as a reaction sound built around one of the internet's favorite misspellings, monke, which turned monkeys into a whole genre of chaotic memes. The sound caught on because the kid's genuine excitement sells the absurdity of the moment, and creators now pair it with dashcam footage, safari clips and zoo videos where primates wander somewhere they should not. Like the scream meme, it works as a burst of honest human emotion that makes any strange sighting funnier by comparison.