adj. A mature place not accessible by railroad.
Real citation: “As they were exiting the stage, the music team returned to continue with the non-choo-choo songs and one of the singers commented on how he had turned around and watched the adults as they were watching the kidz..."
(March 11, 2007, Wire Walker, http://aimone-family.blogspot.com/2007/03/herding-cats.html)
Made-up citation: “Margaret, I regret that I cannot accompany you on your future non-choo-choo endeavors. Choo-chooing is not optional for me; in my country, to choo-choo is to live-live.”