This usually happens when your car gets hit by an AI on a ramp and you press some stunt buttons.
The stunt gives you a lot of power, but 60% of the time you have a bad landing. So if you are wasting it's better to use this stunt. This stunt results in MAX gained after.
M A S H E E N cannot do this stunt if not on a giant ramp, and it doesn't usually work on bumps.