A sexual position that involves two males and one female. One male is the engine of the train position, the female wears a strap-on and is positioned behind the engine, while the last male is the caboose positioned behind the female. The female's position is known as the coal car. Also see Devil's Three Way.
During the Devil's Three Way, Joe wanted to run the Devil's Train and insisted on being the engine.
by Joey V aka the Gazelle April 10, 2013