The 'FBI Open Up' meme, often accompanied by the sound of a door being kicked down and heavy shouting, stems from the internet's long-running joke about being monitored by a personal federal agent. It gained massive traction through YouTube video edits and image macros where a seemingly innocent or slightly suspicious search query leads to an immediate, over-the-top tactical response. The meme plays on the 'FBI Surveillance Camera' or 'FBI Agent watching me' trope, satirizing modern privacy concerns with aggressive, slapstick humor. It is widely used to react to questionable search history, weird fan theories, or any situation where someone might have 'seen too much.'