Top Definition
A pedestrian darting or motioning as if to dart into traffic with the intent to startle and/or disrupt the flow of traffic, commonly with comedic intent. The Roadrusher is often costumed or has concealed their identity to avoid prosecution, as such acts are illegal in most jurisdictions.
Tommy was roadrushing on the interstate when he was hit by a bus.
by BigRuckus December 31, 2012
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