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.
Damn...I can't believe you pulled the Underground Railroad on that one.
by Bleicher December 30, 2005
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Two or more black males having sex with a black female, whilst in a basement.
Black_Guy1: Yo, me & Chanel had an Underground RailRoad last night!

Black_Guy2: Tight, dawg!
by NitroFight53 August 22, 2010
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when a girl starts sucking on your balls, then licks your gooch, and finishes it off with a rimjob. It's a funny experience that feels great, but is secretive just like the real underground railroad from back in the day.
So last night this slam piece was sucking my dick when all of the sudden she gave me the underground railroad
by rocklobster 69 October 4, 2011
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The toilet and/or the entire human fecal system.

Called the underground railroad because "black shit escapes."
Goddamnit, I better go visit the underground railroad.
by sal May 18, 2004
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A clever escape route, or the act of leaving a crowded place or a sticky situation, without anyone noticing until long after your gone.
"Hey, anyone seen Tom?"
"yea..like a half hour ago by the keg"

"Damn, He must have hit the underground railroad"
by doughboys9 May 9, 2007
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When a train captain drives a train into a woman's vagina.
Man 1: Did you fuck her?

Man 2: Yea, but she was loose enough to give an underground railroad.
by Skeetman69 December 6, 2008
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