The tritone has long been used in music to create unease, thanks to its clashing notes and its reputation as a deliberately unsettling interval. Online, short clips built around that sound have become a handy shorthand for moments that feel overwhelming, embarrassing, or too dramatic to take seriously. Editors borrow it for reaction videos, gaming fails, and short-form comedy, where a few seconds of tension can frame the joke without any explanation. Its staying power comes from that instant recognition: listeners do not need to know music theory to feel that something has gone wrong.