Growl sounds have become a staple of online video because they communicate threat and attitude in just a few seconds, without any words. Creators use them in horror shorts, gaming clips, reaction videos and memes to signal that something dangerous, funny or out of control is coming. The effect works across languages, which helps it travel on short-form platforms where viewers decide in seconds whether to keep watching. Because it is short and instantly recognisable, it is often reused as a transition, a warning cue or a comedic exaggeration for pets, characters and everyday situations.