These are standard "modifier" keywords used by searchers who are looking to watch the entire video without behind a paywall or subscription. Why is "Luiggi Feels Like Heaven 12" So Popular?

First, "older4me" probably refers to someone seeking a more mature partner, maybe "Luiggi" is a name. "Feels like heaven" suggests an intense, positive experience. The numbers "12 free full" might be about the story's structure or availability.