Everyone gets a kind of marijuana smoking device, preferably a different kind; ie. bong, pipe, joint, etc. Everyone takes a hit and passes to the left forming a non-stop train of smoke till the weed is gone.
Mark: Its 4/20, lets do a mary jane train!!!
(Mark precedes to pack 4 different kinds of pipes)
Mark: Everyone take a hit and pass to the left, lets get this choo choo rollin!
by MarkusMcNugen April 6, 2010
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When a girl has intercourse with two or more brothers in a short period of time. She generally will be overweight, fake, and very manipulative. STAY AWAY FROM THE JANE TRAIN, it's not worth the price of admission.
We ran the jane train on Jane at Ian's house. What a whore.
by josh48072 May 19, 2014
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