Many amateur creators name their files using this type of shorthand (e.g., "Video for [Character Name] Forever").
You likely encountered this as a or a specific video title on a platform like SoundCloud, YouTube, or a file-sharing site. Potential Origins Vdx 4 Ev mp4
It is often found in older web archives or "abandonware" forums where files were named concisely to save character space. Many amateur creators name their files using this