The USB disconnect sound is the default hardware removal chime introduced with modern Windows versions, paired with its upbeat connect twin that plays when a device is plugged in. It became a meme staple when video editors started using it as shorthand for anything being abruptly cut off, from dropped calls to broken friendships, because almost every viewer has heard it on their own computer. Remixes, ear-rape versions and extended edits circulate widely, and it still shows up in fail compilations, gaming montages and tech jokes today.