tailgate
1. [ noun ] a gate at the rear of a vehicle; can be lowered for loading
Synonyms: tailboard
Related terms: gate truck beach_wagon
2. [ verb ] (transportation) follow at a dangerously close distance
Examples:

"it is dangerous to tailgate another vehicle"

Related terms: follow tailgater
Similar spelling:   tailgater
  tail_gate
  tailcoat
  talkative
  talk_terms
  tail_coat
  talkatively
  Talcott