The FBI Open Up meme sound spread through short-form video and prank edits, where creators used the shouted warning and explosion to fake sudden raids on friends, gamers and streamers. Its appeal comes from the instantly recognisable law-enforcement line, which needs no setup for viewers to understand the joke. As a meme sound, it moved from reaction clips into gaming montages, skits and TikTok trends, and it is still used because the loud, dramatic entry works as a punchline on its own.