A relationship where everything is one sided. Only one person in the relationship is initiating things and moving the relationship forward. The relationship only goes one way, like a train, nothing is ever returned.
Yeah, I just got out of a “Railroad Relationship.” She would just wait for me to do EVERYTHING. I couldn’t take it anymore.
by sickomode88camino January 26, 2020

The black people were in plain sight of the racists while on the elevated underground railroad portion of the underground railroad.
by Solid Mantis November 25, 2020

by Canadianbasterd November 4, 2021

The act of causing a distraction while you stick it to Whitey. Based on the phrase "Underground Railroad," made popular by Harriet Tubman.
"That store was overpriced, so me and my friends gave them the Southern Railroad."
"That store was overpriced, so me and my friends gave them the Southern Railroad."
by mainstreamethnic September 17, 2013

The act of two males having intercourse with a single female a.k.a. "running a train" while under the bedsheets. An underground railroad is exclusively when this act is done by African Americans.
"Yo, I heard you and your bro ran an Underground Railroad on Shanockquolisha last night!!"
"Hell yeah! That sh*t was insane!!"
"Hell yeah! That sh*t was insane!!"
by TheOneAndOnlyHalfnHalf October 2, 2011

My boyfriend cannot stop vaping! Last night he vaped in my pussy and called it and Underground Railroad. It kinda tickled though.
by Chu Chu Twain March 28, 2016

Hamlet, incorporated on February 9, 1897, has always been a railroad town with five spurs radiating from the town to Richmond, Wilmington
Hamlet Railroad Radio: I want everyone to know that Hamlet maybe another small town with nothing going on, but the rail traffic is large and in charge!
by Hercolena Oliver May 29, 2010
