Trending badgeTrendingPosted 2 hours ago"THAT Billie Eilish Song Is About Oral Sex": 19 Veryyyyyy Juicy Song Facts About Famous SingersYou'll never listen to Stevie Nicks the same way again.by Kayla YandoliBuzzFeed StaffFacebookPinterestLink 1. Kurt Cobain wrote Nirvana's "Heart-Shaped Box" about the vagina of his wife, Courtney Love.