The pew effect comes from people vocalising the laser shots heard in old cartoons, arcade games and low-budget sci-fi, where a synthesised zap was often replaced by a mouth-made sound. As short-form video and meme editing grew, creators adopted pew pew as a universal shorthand for harmless shooting, because viewers instantly recognise it without any context. It remains popular for gaming montages, toy reviews and parody action scenes, where its childlike tone undercuts violence and turns any small movement into a joke about a dramatic blaster battle.