A term used to describe any maneuver in the halfpipe where one rotates 180 or more degrees in an uphill direction; that is, rotating backside on the frontside wall or rotating frontside on the backside wall
A move where you turn one way while rotating (to land the grind) another I e - you catch air on a ramp going right to left, yet you spin clockwise When used in reference to grinding this means doing the grind backwards