Slowed-down audio became a popular online editing style as creators stretched familiar sounds to make them feel heavier, funnier or more dramatic. A car horn works especially well in that format because its original blast is instantly recognisable, so slowing it down creates an obvious contrast. Short clips like this one circulate on meme pages and in short-form videos, where the longer tail gives editors room to time a joke, a reveal or a reaction. Its appeal is simple: the sound is familiar, but the slowed timing makes it feel new.