Bruce Lee's battle cry became one of his most recognisable trademarks during his martial arts films of the early 1970s, when his on-screen fighting style combined speed, intensity and vocal expression. As clips from those films circulated online, the scream was lifted into soundboards, reaction videos and short-form edits, where it worked as instant shorthand for a dramatic fight. It remains popular because Lee's voice is unmistakable, and the sound instantly raises the stakes of any scene, even when used for comedy.