The act of passing a slut between one of more guys who each takes a turn putting it in one or more of her holes.

See train
That girl rode the amtrak all night until she ran out of oil.
by Jeff Killeen June 17, 2003
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from amtrak old moto We always pull out on time.... the act of pulling out berfore u come inside a girl's pussy
I was fucking this girl but i had to amtrak it because i wasnt wearing a condom.
by lax guy 4114 November 14, 2007
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The united states passenger railroad in 47 out of 50 states.

Provides long and short distance travel for passengers.
I am going on Amtraks Coast Starlight next month.
by Anton February 19, 2005
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to lose one's 'train' of thought, derail
1: ... I was walking down the hall and then...
period of silence
2: and then what happened?
1: I don't remember, I totally just amtraked!
by lotuspanda March 15, 2008
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verb. To have sex without a condom.

derived from: America's national passenger rail system. It's a lot of fun to ride, but it's really dangerous. It always seems like a train is derailing or crashing.
Girlfriend: I'm ready, put it in!

Guy: But I don't have protection, maybe we shouldn't...

Girlfriend: It's OK, just AMTRAK me!
by amtracker April 25, 2010
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america's way to travel with weed
amy poehler loves me...she said so herself. jealous much!?
by marni March 23, 2005
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when a person is out of control, a complete train wreck
He was an amtrak last night
by Sally free-bird August 18, 2007
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