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1. A hinged part that extends across the rear of a pickup truck or other vehicle and can be folded down or to a horizontal position for loading and unloading.
2. One of the pair of gates downstream in a canal lock.
v. tail·gat·ed, tail·gat·ing, tail·gates
To drive so closely behind (another vehicle) that a collision is likely if that vehicle brakes suddenly.
1. To follow another vehicle too closely.
2. To participate in a tailgate party.

tail′gat′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tailgater - a driver who follows too closely behind another motor vehicle
driver - the operator of a motor vehicle
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
He was a tailgater for Patriots games and took pleasure in both golfing and skiing.
For now, the Autzen Stadium parking lot sits as quiet as a polite tailgater guest after biting into an undercooked buffalo wing.
Mum-of-two Suzie, 34, denied she's a "girl racer" claiming she had been trying to shake off an aggressive tailgater.
My name is Joe Cahn, and I'm known by everyone as the Commissioner of Tailgating, the world's only professional tailgater.
When a driver tailgates - drives too closely to the vehicle in front - 37 per cent of motorists play safe and simply pull over to let the tailgater pass.
TailgaterMagazine.com and Tailgater have established a brand that represents the lifestyle of tailgating.
He was a master tailgater for Patriots games and took pleasure in both golfing and skiing.
You can only bust a tailgater if a police car is near.
While spirit wear is going to be one of the most popular lines in your niche, products like hats, gloves, coolers and grills will catch the eye of both the avid and novice tailgater.
Two cars were selected for the purpose -- a four-wheel drive was assigned as the tailgater while the driver of a saloon car was the one being harassed.
The Tailgater wants the person in front to know THEY are more important.
The problem is so bad that in more than two in five cases motorists react by slowing down or braking sharply to annoy the tailgater, according to the survey from insurers Direct Line.