The censor beep has been a familiar part of broadcast television for decades, where it was used to mask profanity and other unsuitable language before a programme could air. As video editing became accessible to everyone, creators adopted the same sound for YouTube, TikTok and streaming, using it not only to keep content advertiser-friendly but also as a deliberate joke. Its instantly recognisable tone signals that something has been hidden, which is why it still works in memes, pranks and reaction videos today.