Top Definition
Motorcyclist that never gets off interstates or major state or Federal highways. Complains loudly to fellow bikers if any side trip is proposed or considered. Usually a novice biker that will end the hobby soon. Very unpleasant to ride with.
The pack finally realized that Kyle was a "square tire" and told him they would meet back up with him in the Davenport/Moline area
by ponderpoint August 18, 2009

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