tailgating
verb
Definitions
To drive dangerously close behind another vehicle.
Example: That idiot has been tailgating me for the last five minutes.
To follow another person through access control on their access, rather than on one’s own credentials, especially when entering a door controlled by a card reader.
(of a broker) To privately purchase or sell a security immediately after trading in the same security for a client.
To have a tailgate party.
noun
Definitions
The act of driving dangerously close behind another vehicle.
A tailgate party (social event held on and around the open tailgate of a vehicle)