Top Definition
(n) a sneak attack from the twat to the anus, while simultaneously making the sound of a train (i.e Woo! Woo!) entering a tunnel. After which the train sound signaling to your friends hidden about the room, and the you run a train on that bitch (chug-a-chug-a-choo-choo).
last night i pulled an amtrack on this bitch. (Most famous example of The Amtrack: Caligula.
by Steven Randazo December 01, 2007

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.