A slang term for the Captain (O-3) rank in the Army and Marines. The term comes from the Captain rank insignia, which is two wide bars connected by two thin cross-bars, resembling railroad tracks crossed by two railroad ties.
Damn, Lieutenant Carter used to be really cool, but ever since he pinned on his railroad tracks, he's just pulling rank and treating all his old buddies like shit.
by Gyreneisms December 18, 2011

by foreverpinklover November 23, 2014

When one lays down with a woman to have sexual intercourse with them, and a multitude of African-American people run out of the closet to watch.
by Bleicher December 30, 2005

While sitting at a railroad crossing (waiting for a long train to pass), you get blown felatio by your girlfriend.
by E-Bra December 9, 2008

A form of gang-bang in which anywhere from 12-120 men use sledgehammers to force dildos into a woman's various orifices.
by TCK82 February 8, 2008

When two guys are spit roasting a girl, and they both pull out at the same time, get on opposite sides of her and wave their dicks up and down while yelling “ding, ding, ding!”
by ATLdiggs May 26, 2018

The amount of track marks on the arm of a junkie. This also pertains to someone who works in a factory where handingling cardboxes all day will have a few paper cuts.
'Jesus, did you see the track marks on Crystal's arm? Talk about a fucking railroad yard.'
'Man, I worked a ten hour shift. All I have to show is this train yard from all the box cuts.'
'Man, I worked a ten hour shift. All I have to show is this train yard from all the box cuts.'
by Freakie Tim November 3, 2009
