The string you provided appears to be a for a pirated copy of a movie or TV show, likely sourced from a third-party file-sharing site. Based on the naming conventions in the string:
: The name of a well-known site that hosts links for downloading movies and shows. bb-720p-hd-20-oct-desiremovies-mom-mkv
: Indicates a high-definition video resolution of 1280x720 pixels. The string you provided appears to be a
Searching for or downloading files with these specific naming patterns often leads to: bb-720p-hd-20-oct-desiremovies-mom-mkv
: Often refers to a specific release group or "Big Brother" (if related to the reality show).