RE: '90s+
Also, can't forget Lesbo-folk, sort of a grunge variation I suppose, but distinctly post 80s.
Oh, you mean like "Lillith Faire"? Yeeuuucccchhk.
Those women are usually also examples of the women (as well as men) who can't speak right when singing. They do the childish speech-impediment thing too. They definitely do the "lazy durgged-up airhead" thing!