Reverse titty fuck. Meanwhile, pooping on the girls face while continuing the thrusting motion, aided by the sliding on your feces.
by mankatomudexpert January 16, 2010

"Oh man! That fast food last night gave me a backdoor mudslide this morning."
"I was so sick last night; I had a major case of backdoor mudslide!"
"I was so sick last night; I had a major case of backdoor mudslide!"
by JayXan September 9, 2006

When one defecates on another during a bout of "the runs" and, after completion of the number two, slides their backside along the length of the other's body leaving a "mudslide" like trail of shit.
by Johnny Poopfun January 13, 2009

The Act of shitting down one/s chest then smearing the shit with your asshole.It's also what R Kelly would of done if he had to shit.
"Hey Honey wana add some spice to are life"
" Are you gonna take me to Chillis because I'd rather have "Ladys Night" tonight."
"No Honey I ment a Swahili Mudslide,besides your hairs are still in my back molars."
" Are you gonna take me to Chillis because I'd rather have "Ladys Night" tonight."
"No Honey I ment a Swahili Mudslide,besides your hairs are still in my back molars."
by R Kelly the Shittinator May 20, 2010

After consuming a large amount of whiskey, Jethro took the local bar fly home. Without warning "Hello!!!" the Missouri Mudslide. Realizing what had just happened he quietly and cautiously made his way to the bathroom, cleaned himself, and walked out the door without saying a word.
by Cpt. Crunch November 8, 2013

taking a shit while doing a handstand
by Scotty_boi10 September 4, 2006

When you hook up with an Australian chick in Las Vegas and she has a seizure orgasam that causes her to poo herself resulting in a skid mark the length of her back.
by Lorddigles February 28, 2017
