Fons is another word for gay. It's used to identify other gay people.
Emily: I identify as Fons.
Jane: I don't, but I accept you for who you are!
When someone says something that isn’t relevant or you don’t care about. It can also be used when you over hear something spicy
Scenario one-
Friend: So I had this dream last night
You: ah fon fact
Scenario two-
Random person: so I whipped out my c***
You and a friend: umm fon fact...
a boymoder who cant accept the fact that they are a boymoder
hey look at that boymoder, hes such a Mikey Fon Guin Reyes