The air horn became a staple of internet meme editing during the 2010s, especially in MLG-style montage videos on YouTube and short reaction clips shared across social platforms. Its appeal comes from how quickly it signals hype, irony and deliberate excess. The sound is still common because it is instantly understood even by casual viewers, and it mixes well with other classic meme cues such as MLG PWNAGE or a club sample style horn. Creators keep using it whenever a moment needs loud, exaggerated emphasis.