Top Definition
any cluster of motor vehicles on a roadway created by the presence of a police, sheriff, or state trooper patrol car. Trooper groups are created as faster traffic comes upon a slower patrol car or motorists slow down in response to seeing a patrol car in the rear view mirror. Behavior is analogous to a school of fish when a shark is nearby. Trooper groups will likely include beltway bitches and freeway fags.
Might as well ease off the gas. We won't be able to get passed this trooper group until the trooper exits the freeway.
by Driving School April 28, 2009

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