1. A redneck who is not even redneck enough to drive a pickup truck. Instead he or she drives a low-end American-made sedan, usually a Dodge Neon, Chevy Malibu or other equivalent type.
2. A lower class among hicks. Not a true redneck enough to hold a manual-labor job, so does not drive a pickup truck like normal rednecks.
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There was a traffic jam of sedan rednecks outside of Wal-Mart today during the lunch break.
A one-armed tan or sunburn earned after many hours driving or riding in a car where the arm closest to the window gets roasted while the rest of your body remains it's normal shade. A highly respected badge of honor for road trippers, commuters, and anyone who spends too much time behind the wheel.
Mike's left arm had a serious Sedan Tan after his 72 hour cross-country road trip.