If you legally own Killer Joe on Blu-ray or digital, you can create your own 10-bit x265 encode using HandBrake or FFmpeg for personal backup. Do not share or download from unauthorized sources.
The text you're asking about, "," is likely a specific file name or search query for a high-quality, 10-bit Blu-ray rip of the 2011 film Killer Joe killerjoe20111080p10bitblurayhinengx265 top