morning backrub Share definition Flag The act of performing anal on a girl sound asleep and giving her a "morning backrub" to wake her up. "Dude Maggie is still sleeping""should I give her a "morning backrub" to wake her up?" morning backrub by Joe Gregz December 10, 2013 0 0 Get merch Get the morning backrub mug. Buy Now — $32.95 See more merch