The Osceola Train ride is a sexual encounter where a person performs oral sex on a man and puts their finger into his anus and massages the prostrate, whilst saying "choo choo!"
"Hey man, have you ever had an Osceola train ride? " "yea, she was 3 knuckles deep last night!"
The act of holding your own arm while masturbating and laying flat suspended between two moving vehicles and ejaculating into a vortex. Its dangerous but they did it in Twister.
Benjamin Button dutch ghost ride the fuck out of that vortex and turned back into a man-child. In other words, his dick got smaller.