The process by which the woman lays down on her back and the guy spreads his butt cheeks apart and begins to rub his asshole on her face until there is a black streak from her chin to her forehead.
Oh man, I can't wait to give this chick a Mississippi Mudslide.
by Guy With Gross Terms May 8, 2010
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Take a watery dump on your partner superior to the nipple line (ideally midway between collarbone and nipple). The partner then sprints and dives across a linoleum floor, thus creating a mudslide down the hallway. The derivation of its state prefix is attributable to the fact that Mississippians are too poor to afford actual water slides or anything but linoleum in their single wide trailers.
It was a stifling Saturday afternoon with nothing on the tv but duck dynasty reruns so Bubba and Sara decided to take turns relieving on each other and performing Mississippi mudslides.
by 10barrelwords March 2, 2014
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The act of using watery feces to humiliate another individual in any way whatsoever. Also an act of morbid affection.
We all watched in horror as Danielle Donatello vandalized Xander Zimmalina's Shitty Times Ten(Chevrolet S-10) by putting her watery feces all over it. She later explained that she had just performed the infamous Mississippi Mudslide. She also added that this is also an act of morbid affection. We were totally shocked and genuinely afraid. We then proceeded to back away slowly while carefully keeping her in our line of vision. Before finally sprinting to safety one of us told Danielle to "look over there". Upon success of this classic diversionary technique, we found safety in a nearby alley. Breathing heavily we all wondered if one day we would ourselves become victims of the Mississippi Mudslide. We hoped not but then again it is an act of affection so we were somewhat confused.
by Don Turgenson April 12, 2008
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After finishing with that lame, I just lay on my back and don't move piece of ass, you deficate on the clit and watch it slide

Note: works best after a long night of Corona, and mexican food
by Kris AKA Shorty Unc Unc August 26, 2004
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after your done pounding a girl in the ass, you flip her over and start tittie fucking her.
by proanti1 March 4, 2006
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Two menstruating females take exquisite-sized bowel movements (this helps if you eat chili, salad dressing and corn dogs), but do not wipe. Then they tie down their victim and slide their downstairs areas over his face, starting bum to mouth. They then take turns urinating on his face, preferably while he's vomiting.
Once they saw Jeremy passed out, they dragged him into the bed and performed a Double Dirty Mississippi Mudslide.
by Pammy D December 7, 2010
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When you have diarrhea You have your girl lay back with her legs lifted all the way back ... Just before you're about to stick your Dick in are you turning around shit and have vagina and then Bang her as a mud slides out.
Yeah man man my girl got freaky last night I gave her me an old Mississippi mudslide she was pissed off
by FredosnasTs January 18, 2023
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