Crash cymbals have long been part of orchestras, marching bands and drum kits, where a single strike signals a climax, a transition or a joke landing in comedy and theatre. Online, short isolated cymbal crashes became a staple of video editing because they are instantly understood without any words or context. Editors drop them into memes, reaction videos, gaming highlights and vlogs to mark a turning point, and the sound remains popular because it works at any volume and in almost any genre.