To rapidly slow down or stop a moving vehicle by mashing down the brake pedal. So named because of the tires skidding when done in a car without anti-lock brakes.

Can also be used in a metaphorical sense, in which it means to halt whatever action or process is currently occurring.
The police were waiting with a speed trap around the bend, so I hit the skids.
by SnarkyNinja June 3, 2009
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