Popping a clutch is a technique used to start a car with a manual transmission without using the starter motor. It involves engaging the clutch while the car is in gear, then quickly releasing it to start the engine. This technique is often used when the starter motor is not working or when the battery is dead.
Popping the clutch can be a dangerous maneuver if it is not done correctly. If the clutch is not released quickly enough, the car can stall or the transmission can be damaged. It is also important to make sure that the car is in a safe place before attempting to pop the clutch, as the car will move forward suddenly when the engine starts.