It is when the faggot level is way over 9000. For one to go this far must truly give up his manhood and live a life filled with gayness.
Bro 2: "DUDE! I just watched Breakign Dawn, it was sooooo good! Jacob was like, so beef and Edward is like...so SWEET!"
Bro 1: "..."
Bro 2: "Let's go to Maccas and get some salad, I need to buy some low fat food."
Bro 1: "...You truly are a Faggadongus...FRIENDSHIP OVER!"