When one partner fucks their partners mouth, while letting a turd slip out on to their significant others chest, allowing it to slide down their torso.
Man, I can’t believe she let me Mississippi Mud Train her!
by LaneMikey April 15, 2018
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A game where a glow stick is inserted into the anus and a round of hide and seek is played while the "seeker" uses the light shining from his/her anus.
"Yo bros, anyone got a glow stick? I wanna play a dank ass round of Mississippi Train Station"
"No way man, that game gave me 20 hours of diarrhea!"
by sweatyfatphuck August 1, 2016
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When you live in Mississippi and your cousins come into town for a family reunion and you run a train on each other.
I went to this family reunion one time with my buddy, everyone started to run a Mississippi train on each other so obviously I had to join in.
by Ilikebigbootybishes May 2, 2019
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