Top Definition
A train that is driven by troll. Often relates with other transport driven by characters famous for their rape faces.
Man1: aww trains are so boring theyre always driven by boring people
man2: don't worry, this is a trollain, its driven by troll!
man1: really?? Cool, ive only got one thing to say to that... Trololololololololololololol
by ejster June 26, 2013
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