Reverse Train 

The opposite of "running train", whereas multiple women have sex with one man. This is different from a threesome (or more than three people) because it is not having sex with multiple women at one time, but having sex with one right after another.

I ran reverse train on Princess Zelda, Queen Zora Bitch, and Midna.

Reverse Train by Bill Kanvis December 14, 2006

Reverse steam train 

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.

ben- my small penis is in you Reverse steam train
Train " Choo"

Reverse steam train by lol123321` June 14, 2011

Reverse steam train 

A cool dance move

Look at that girl doing the reverse steam train! She's so cool!

Reverse steam train by Egg25 January 17, 2018

reverse paradox anal train 

an accumulation of many people of every race all connected anally like a big ass train

-Aw dude, we got super drunk at my grandmas funeral and it ended up with a big reverse paradox anal train

-Damn! Wish I was there.

reverse paradox anal train by gay paradox December 24, 2018

reverse choo choo train

It’s when a girl takes a hit of her vape then sucks a mans dick and proceeds to blow said vape into the males dick hole.

Nick: yo I got UTI because my girl gave me a reverse choo choo train

Rob: damn that shit wack man

reverse choo choo train by Coolfrogawesome2 November 8, 2020