spinout noun2 •A skid that results in a vehicle rotating such that its longitudinal axis is no longer aligned with its direction of linear motion.Sulayman al-Shulukhi, left, races his modified Subaru Impreza every weekend night and delights in describing wrecks and spinouts. — 2009 •The formation of a subsidiary company that continues the operations of part of the parent company; the company so formed. formsspinouts