You searched for: “tailgate
tailgate, tailgate
tailgate (TAYL gayt) (noun)
A door at the back of a vehicle; such as, a station wagon or pickup truck, that opens downward and which can be lowered or removed to make it easier to load things into or out of the vehicle: "We opened the tailgate of the station wagon so we could load our baggage for our vacation trip."
tailgate (TAYL gayt) (verb)
To drive too closely behind another vehicle: "Be careful that you don't tailgate that red car in front of us because the driver might stop all of a sudden."

At the scene of the accident it was obvious that the driver of the red sports car had been tailgating and rammed into the tailgate of the station wagon in front of him.

Be careful that we don't tailgate the car in front of us because it belongs to my friend and we are planning to have a tailgate party at the beach and we want to use the tailgate on the back of his station wagon as the "stand" for the picnic.