A sexual position which is commonly used by Ben from horticulture which involves a small penis being inserted into the anal cavity of a train which results in a quick " choo" noise which is released by the vehicle.
by lol123321` June 14, 2011
 Get the Reverse steam trainmug.
Get the Reverse steam trainmug. by Egg25 January 17, 2018
 Get the Reverse steam trainmug.
Get the Reverse steam trainmug.