push-start
METHOD OF STARTING ENGINE ON A VEHICLE BY PUSHING OR LETTING THE VEHICLE ROLL DOWNHILL, AND THEN ENGAGING THE CLUTCH AT THE APPROPRIATE SPEED
Bump starting; Bump start; Crash start; Popping the clutch; Pop the clutch; Clutch popping; Push-start; Roll start; Roll-start; Push Start; Push starting
¦ verb start (a motor vehicle) by pushing it in order to make the engine turn.
¦ noun an act of push-starting.