bus driver
n.— «Parcells said Bledsoe erred a little on the “conservative side” against the Texans, but he certainly doesn’t view the 14th-year veteran as a “bus driver”—a term meaning someone who simply manages the game.» —“Bledsoe’s Efficiency Key To Cowboys’ Success” by Rob Phillips DallasCowboys.com Oct. 17, 2006. (source: Double-Tongued Dictionary)