If you are referring to a specific video you encountered on a social media platform like Reddit or a niche forum, it would be helpful to know the or a description of the footage .
: A default filename generated by a specific camera, dashcam, or editing software (e.g., "Full Motion Film" or a similar internal tag). FMF-BJ.mp4
"FMF-BJ.mp4" does not appear to be a recognized academic topic, public event, or significant piece of media within the public record. Based on the alphanumeric structure of the filename, it most likely falls into one of three categories: If you are referring to a specific video