Waving Goodbye Lyrics

Lyric discussion by BhadBitch 

Cover art for Waving Goodbye lyrics by Sia

I think it is about Jesse and Ruby from The Neon Demon. In the movie, Ruby is attracted to Jesse, and possibly loves her, but she is going to kill and eat Jesse, so "one hand is holding yours while/the other is waving goodbye/I love you, but it's your turn to cry"