Pillow Bitch Share definition Flag What you call the pillow that you fuck in a hotel room. After 4 martinis and 2 hours in the lobby bar trying to get laid, I decided to just go upstairs and fuck the pillow bitch. Pillow Bitch by Rob Santos January 22, 2008 0 0 Get merch Get the Pillow Bitch mug. Buy Now — $32.95 See more merch