It is a derivative of fagot. A gay person who acts like a fagot or an act of being gay.
You know Charles, you may be gay but you really act fagoty around Justin. I think he may be your soulmate.
Quit acting fagoty!
a faggot is fagotious the same way a student is studious//it is the act of being a faggot
you can be fagotious without actually being gay
it just means you act fruity
“harry can act fagotious at times”