The car horn is one of the most familiar sounds in everyday life, and its recorded form has become a staple of online video and meme culture. Short horn clips are widely shared on soundboards because they need no explanation: everyone recognises the signal for attention, warning or frustration. Creators use them to punctuate traffic footage, exaggerate a reaction, or interrupt a scene for comic timing. The sound remains popular because it is instantly understood across languages and contexts, working equally well in a realistic road scene or an absurd edit.