Definitions

1. noun

A person who habitually follows another vehicle too closely, often in order to gain access to a parking space or event, typically a sports event, before other vehicles arrive.

“The police officer pulled over a tailgater who was weaving in and out of lanes.”

2. verb

to follow another vehicle too closely, often in order to gain access to a parking space or event.

“She tailgated the car in front of her to get to the concert entrance before the doors opened.”