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A common driving position in which the driver reclines the driver's seat back so that the driver can barely see over the steering wheel or dashboard of his vehicle. This driving position can be accompanied with driving with a gangsta lean.
Police officer 1: "Did you see that guy?, he's driving in mack mode....lets go pull him over"

Police officer 2: "Yeah, he's also got the gangsta lean going on and probably ridin dirty"
by -mad-dog- May 17, 2007