Piuw piuw is a user-uploaded meme sound built around the onomatopoeic spelling of a laser pew, a spelling that creators have used for years to label short cartoon blaster noises in videos, games and meme edits. With a runtime of under half a second, it fits the fast pace of short-form clips, where a single tiny noise can sell a joke without slowing the edit. Its popularity comes from that simplicity and instant recognition, and it continues to appear in reaction videos, gaming montages and playful skits that need a light, toy-like shot sound.