A woman or man, usually heterosexual, who seems to be constantly surrounded by gays/lesbians; as opposed to a faghag, the fagmag in question doesn't particularly seek out gay people to socialize with, rather it's their personna that attracts the GLBTs to them.
Jones: Letty I can't believe it, that one's gay too?
Letty: Yeah, I know man, I don't know whats wrong man, I mean I don't care but wtf I need to get laid too ya know.
Jones: dude, your such a fagmag.
Letty: I know right
Letty: Yeah, I know man, I don't know whats wrong man, I mean I don't care but wtf I need to get laid too ya know.
Jones: dude, your such a fagmag.
Letty: I know right
by punds November 21, 2007