A line of men having intercourse, connected by penis to ass. The conductor, or man in the back, controls the speed while the front controls the direction of the train. As one ejaculates, he will exit the train. May involve train sounds.
by TrainEngine November 18, 2011

by Patsta44 November 10, 2010

Where a usually slutty girl, often drunk, gives it up to a somewhat large number of guys, one after another after another. Metaphorically speaking, the girl is like a urinal, just instead of urine, the guys using her are relieving themselves a little differently.
by amadhatter53 October 11, 2005

by alee2006 June 26, 2018

If someone says the train is leaving in 5 minutes be prepared to board the trainin about half an hour.
by yourmuminmybednow February 26, 2011

Having to do with a girl giving it up to a whole bunch of guys at the same time, called "riding trains"
by Double G himself July 26, 2004

by Pietari January 16, 2004
