a person who drives hazardously close to the rear of another moving vehicle.
a person who participates in a tailgate picnic.
How to use tailgater in a sentence
This usually does the job of getting a tailgater to back off.Hints From Heloise: What to do with an old mink coat? | Heloise Heloise | May 14, 2021 | Washington Post
Barrett, a former student and professor at Notre Dame Law School, is known to be a Golden Dome tailgater.Supreme Court skeptical of NCAA’s case for withholding benefits from student athletes | Robert Barnes | March 31, 2021 | Washington Post