Car horns have been a stock shortcut in cartoons, adverts and comedy sketches for decades, long before short-form video made single beeps easy to reuse. Online, creators lifted clean horn recordings like this one for soundboards, gaming edits and reaction memes because the meaning is universal and needs no context. It sits alongside louder novelty effects like the MLG air horn, but stays closer to real traffic, which makes everyday frustrations funnier. That clarity and instant recognition keep it in regular rotation for pranks, streams and quick punchlines.