Favpersexual is an identity exclusive to people with borderline personality disorder (pwBPD). It means that you are only sexually attracted to their Favorite Person (FP), and you don't experience sexual attraction to everyone else. This identity is a subset of demisexual. The romantic equivalent is Favperromantic.
History
The term was coined by Loki Gullhati Feigr (He/They/It/Doom) 🪐🔥 of discord system Astronomical Chaos#8607 on the 21st of July, 2022.