rent-a-judge noun2 •A system of arbitration in a private court, with a hired judge acting as a arbitrator.Perhaps most importantly, Koford did not think that rent-a-judge is available only to the wealthy. — 1981 •A judge in such a private court.Unlike their public court counterparts, rent-a-judges do not pass through the screening process of public election or governmental appointment. — 2005 formsrent-a-judges