Elevator Butt Share definition Flag When a girl slowly raises her ass while lying on her stomach. Cats are often known to also do this. Man, I was banging the shit out of this girl. I flipped her over and she had MAD elevator butt. Elevator Butt by Postal2006 August 7, 2006 0 0 Get merch Get the Elevator Butt mug. Buy Now — $32.95 See more merch