This clip comes from the loose world of user-made meme soundboards, where everyday noises get remixed into loud earrape jokes, and its exact original uploader is unclear. The base is the standard microwave finished-beep everyone recognises from kitchens, which is why the distorted version lands so well. Short appliance sounds like this circulate widely because they need no context. This roughly ten-second version survives as a prank and jumpscare staple, useful anywhere a creator wants an instantly recognisable alert turned deliberately unpleasant.