Running a train

[Sonia]

1.When 3 or more males takes turn having sex with one female and having her perform sexual favors for them

[Sarah]

when you and a couple of friends have sex with the same girl at the same time

[Donald Trump]

Oh um I dont know you work at a train station

[Becky]

When two or more individuals partake in sexual intercourse with a female. This reference is usually always used to mean such an act, but also can refer to taking a non-stop shit within a toilet, or any other activity that involves a certain degree of persistent that it becomes evident that it takes as long as a train to get the job accomplished.