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A man mounts a dildo on either side of his penis then tapes them (preferably with duct tape) along with his penis in the middle, the penetrates an anus or vagina, depending on sexuality and fetish.
Woman: Did you hear about last night? Rebecca asked her boyfriend to do something naughty, and he did the Pennsylvanian Passenger Train!
by Grilbus747 June 12, 2018
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