This is about the Scottish actress Molly Weir, who played Hazel The McWitch in late '70s/early '80s BBC children's show Rentaghost. Vaseline founder member Eugene Kelly recalled to NME September 25, 2010: "Molly used to have this programme before the news on Scottish TV (Teatime Tales) where she'd tell all these stories from her childhood. She always struck us as a great character, so we just wanted to sing a song about kissing her."
Nirvana covered this on their 1992 album Incesticide.
Two tears roll down Sinead O'Connor's face. toward the end of the video for "Nothing Compares 2 U." They were shed because she associated the song's lyrics of love and loss with her mother, who was killed in a car accident in 1985.