This sound is commonly used online as a generic error cue rather than as a clip tied to one famous character or scene. The “404” label references the well-known web error for missing pages, which helped make the phrase instantly recognizable in memes and short edits. Creators keep using it because viewers immediately understand the joke: something failed, glitched, or went nowhere. It often appears alongside other meme effects such as a Discord Notification or a Vine Boom for extra contrast in fast-paced edits.