Wiktionary
sideslipper
alt. (context snowboarding freestyle skiing English) a staff member on a halfpipe who reshapes the slope to keep the halfpipe usable, through sideslipping, shaving on the sides aboard their snowboards n. (context snowboarding freestyle skiing English) a staff member on a halfpipe who reshapes the slope to keep the halfpipe usable, through sideslipping, shaving on the sides aboard their snowboards