What is Fa Di?
1.
A person who's abilities are well-known and he is immersed in cultures and traditions that are starnge and foreign to others. He prefers to work and spend his time alone, to relaxing and hanging out with his friends.
Asker: "Dude, when we go to the movies, who's coming along?" Juggy: "Probably everyone except that Fa Di; He's too busy working."
See