lipslide A slide performed where a snowboarder straddles the obstacle, with his/her snowboard traveling perpendicular along a rail or other obstacle. The lipslide is distinguished from a boardslide because the trailing foot passes over of the rail on approach. When performing a frontside lipslide, the snowboarder is facing downhill. When performing a backside lipslide, a snowboarder is facing uphill. board slide A slide performed with the snowboard perpendicular to the rail, and the rail passing beneath the centre of the snowboard, between the bindings. A boardslide is distinguished because the leading foot passes over the rail on approach. Can be performed frontside or backside