not to be confused with the BGF (best guy friend); the BGGF is the Best Gay Guy Friend. Good as shopping buddies, gossip sources, fountains of truth, and all around ego boosters; the BGGF is a necessity for the 21st century woman.
Suzy: Oh my God, I love your shirt!
Me: Thanks, I went shopping with my BGGF Billy last week and he picked it out for me. He is such a doll!