by Brett roberts 13 March 29, 2009

by Jenny September 17, 2003

rainbow express, is where a college boy is partying with some friends in San Fransisco on spring break and is new to the rave seen, he is taking exstacy for he first time and is atripping balls walks in to the wrong party and ends up being ball banged by a group of guys.
Timmy awoke to a terrible pain in his ass and as he looks around the room and saw all the nude men he new he just took a ride on the rainbow express.
by Dms79 December 26, 2017

by ant14029 March 12, 2021

A sexual act involving a fetish for eating the unwashed ass of a partner dressed as Corporal Klinger from the 1970's television show "MASH" culminating with the receiver of the ass eating defecating in the mouth of the ass eater. This is known as catching the Mud Hen.
Colonel Potter returned from his service in Korea with a strange new sexual obsession called a Toledo Express.
by Producer Gavin November 14, 2020

by NotTonyHawk November 14, 2020

Also widely known as diarrhea. Can cause extreme discomfort and a hefty laundry bill with embarrassment if not careful.
by Matman1984 November 29, 2020
