1 definition by the train wrecker

gravy train

a sexual act in which a man or woman get on their back while a line of men ejaculate on them, but this important: they have to go over the man or woman like their a train going over them and the gravy is obviously the semen.

Tim: "He Gerard you wanna do a gravy train on my girlfriend?"

Gerard: "Hell yea"

by the train wrecker February 12, 2009