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Its a russian version of the A-Train. It's fictional and only used as a joke. Invented by two highschoolers. Much like the Fail Boat. Only its the Epic Win of Motorised Vehicles.
(A guy wins epically) Nick: Wow Olson's on fire tonight.
Mike: Yeah, He's really riding the Aaahh Train tonight.
by Skovy January 09, 2012