Tailgate
Definition 1 of 3
Pro Tip 1/3
Aggressive Connotation
Tailgating is often seen as aggressive or rude driving behavior. The car was tailgating me, flashing its lights.
Pro Tip 2/3
Risk of Accident
Tailgating increases the risk of a collision if the front vehicle stops suddenly. Because she was tailgating, she couldn't stop in time.
Pro Tip 3/3
Expression of Impatience
Drivers might tailgate to signal impatience to the vehicle in front. The driver started tailgating to urge the slow truck to move over.