Definitions

1. noun

a hinged platform at the rear of a vehicle, used for carrying goods or providing a surface for socializing, typically when the vehicle is stationary.

“They set up a grill and some chairs on the tailgate for a barbecue.”

2. verb

to remove or lift the tailgate of a vehicle, typically to access the cargo area or to set up a surface for socializing.

“She tailgated to get ready for the camping trip.”

3. verb

to engage in socializing or partying near a vehicle, especially before an event or game.

“They tailgated all morning before the football game.”