The exact origin of this '4000 people' clip is unclear, but it circulates online as a meme soundboard staple, and visitors often reach it while hunting for 'Put it in reverse, Terry' style viral voice audio. Short shouty reaction lines like this spread because they drop cleanly into edits: one emphatic number does the work of a whole caption. Remixers and soundboard collectors keep it alive by pairing it with crowd footage, concert clips, and exaggerated flex videos, where the over-the-top delivery sells the joke.