9640-br720p-subs-fightclub.mp4

: Bruises and scars are used as badges of honor for members, marking their rejection of "ordinary" life.

: Often a unique identifier or internal code used by a specific release group or database. 9640-BR720p-SUBS-FIGHTCLUB.mp4

This file name appears to be a standard naming convention used in file-sharing communities for the 1999 film , directed by David Fincher. File Metadata Breakdown The naming parts generally indicate: : Bruises and scars are used as badges