Definitions for "Rocket air"
In BMX and motocross, when a rider stands on back pegs with both legs and then returns to a sitting position before landing
When a rider takes both feet off the pedals in the air and places them on the back pegs, then returns them to the pedals before landing. Can be landed in this position also.
A halfpipe aerial trick in which the snowboarder uses the front hand to grab the toe edge in front of the front foot while straightening the back leg with the board pointing perpendicular to the ground.