: Likely a technical shorthand or file name remnant (e.g., .mp4 link) used to track or identify the video file across various hosting sites like video.mail.ru .
It seems possible that:
And we fall for it. Every. Single. Time. frivolous+dress+order+post+itsmp4l+hot
How nonsensical keyword strings become indexed and associated with specific video files across international servers. : Likely a technical shorthand or file name remnant (e