a cluster of vehicles on the freeway, one in each lane, all driving the same too-slow speed, that are impossible to pass because they are positioned nearly side by side
Louie hated rolling roadblocks until one saved him from a speed trap.
by LaLaLander17 March 02, 2009
When a person deceids to stay in the fast lane on the highway and gets passed constantly by other drivers.
Jonathan get the fuck over in the slow lane, you are being a rolling road-block..
by wife101903 November 25, 2011

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