TAILGATE

I. noun Date: 1868 a board or gate at the rear of a vehicle that can be removed or let down (as for loading), a jazz trombone style marked by much use of slides to and from long sustained tones, II. verb (~d; tailgating) Date: 1949 intransitive verb to drive dangerously close behind another vehicle, to hold a ~ picnic, transitive verb to drive dangerously close behind, ~r noun III. adjective Date: 1962 relating to or being a picnic set up on the ~ especially of a station wagon