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The series of marks upon one's arm due to injection of heroin. When the marks run up and down someones arm, similar to the tracks of a train, they are said to have train tracks.
Watch out for Paul man, he's totally addicted. Train tracks all over his arm.
by mapaccio March 29, 2009
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Jun 2 Word of the Day
Invented in Borat's movie. It is said, when something great happens.
A beautiful girl is walking down the street, she comes to you and sais: "Would you go to bed with me?"

"Wa wa wee wa!"
by Trick_SLO January 18, 2007
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3
That girl in the bar was pretty hot until she smiled...she had sushi caught in her train tracks...

Oh, really....braces?

Yep
by B. Hanback December 30, 2008
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4
Used to describe someone with a under bite with braces.

Synonyms - Train, Rails, Subway, Train Track Deng.
The Milky Way Express goes across the Train Tracks.
by Juan-Athan June 21, 2017
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5
n. when you have braces on the top and bottom row of your teeth, giving the wearer the look of having mini traintracks running through their mouth.

the gaps between your teeth are the bars and your braces are the tracks.
rebecca: guess who's getting traintracks?
courtney: who?
rebecca: simon! he's also going to the same orthodontist as me!
courtney: doesn't mei go to that one too?
rebecca: oh, whoops...
by Citronic September 26, 2007
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6
What the train rides on... a slang term for a woman who gets a train pulled on her, or has sex with one guy after another after another and so on and so forth.
She got gang-banged last night man ... she got rode like a traintrack.
by shomesomethin July 12, 2010
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