Did you see this file name on a specific or horror forum , or
It may be a misremembered title for a song or movie, such as the 2026 film Roommates or the 2026 single "Roommates" by Hilary Duff. Common "Roommate Horror" Themes Less-roomate.mp4
The .mp4 suffix is a common trope in Analog Horror or ARGs (Alternate Reality Games) to make fictional scary stories feel like "lost footage" found on a hard drive. Stories often involve "extra" roommates who aren't human or roommates who have undergone a personality change. Did you see this file name on a
Animated horror stories where a roommate tries to mimic or steal the narrator's life. Less-roomate.mp4