The MLG airhorn grew out of the Major League Gaming montage parody trend on YouTube, where editors added exaggerated effects to gameplay clips to mock overhyped esports edits. The loud horn, borrowed from sports crowds and DJ drops, became the signature sting for a big play, and it spread quickly through gaming channels, meme compilations and short-form edits. Even as montage styles changed, the horn stayed in use because it instantly signals hype and irony, letting creators celebrate a moment while also poking fun at it.