There's a difference between a gay person and a fag/faggot. A gay person likes dudes where as a faggot is an annoying asshole, usually so deep in the closet they becoming homophobic to make everyone think they're straight
Tom: Hey, can you pass me my phone charger. My battery is getting pretty low.
Joe: What percentage is it on?
Tom: Dammit Joe, quit being a fag and pass me my damn charger.