Baby Sign for Motorcycle, Motorbike, or Scooter
Both your dominant and non-dominant hands are in fists in neutral space a foot in front of your shoulders with your palms facing down.
With your non-dominant hand stationary, rotate your dominant hand until your palm faces the same direction as you are, and return it to its starting position. Repeat this motion.
See Slideshow below for further clarification. Dial-up users - Please allow a few extra seconds to load.