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The act of constantly placing your foot on and off the brake pedal whilst driving a motor vehicle. Commonly used by people who cannot drive or are lost. A sign of hesitant driving.

Disco braking can be influenced by the weather with an increase seen during periods of rain and snow.
"If that car in front keeps disco braking I'm going to drive straight in to the back of the fucker!
by CityTiger April 29, 2009