Top definition
Gay Man Big Forehead Syndrome. Describes the unfortunate condition of large-foreheadedness that many gay men tend to have. The condition is often accentuated by a spiky hairdo.
"Oh, look at his profile picture. Clearly another sufferer of GMBF syndrome."
by roooooland May 03, 2008
Get the mug
Get a GMBF Syndrome mug for your brother-in-law James.