It is when you have diarrhea and you eject your watery feces all over your partner during intercourse. The diarrhea has a muddy appearance and is slippery (like a slip โnโ slide) which is why the term โmudslideโ is used.
Last night I gave Sally a Mississippi Mudslide and she threw up all over my dick.
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Having vaginal intercourse with a girl on her period. Followed by anal sex with a penis still covered in period juices.
"My friend got weirded out having sex with a girl on her period, so he flipped her over and gave her a crimson mudslide"
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Drink made with Patron Cafe and Monster Mocha. Adding a shot of patron silver makes it a Dirty Sanchez.
Bartender make me a Mexican Mudslide, or better yet make it a Dirty Sanchez.
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After anal sex, sucking the jizz out of the anus.
After getting rammed up the ass, Shane asked for a Bavarian Mudslide.
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The act of shoving a funnel into a urethra and defecating into the funnel.
Did you hear Stacy got mad at Matt and gave him a Yellow Mudslide in his sleep?
When you have to release your fecal matter but have a sports practice, so you let it out in your compression shorts. Thus, creating a mudslide like environment in your pants with your own feces.
I had soccer practice after school and had no time to use the bathroom, so i ended up with a mongolian mudslide.
A Siberian mudslide can be performed via multiple sexual positions and among both heterosexual and homosexual partners, however doggystyle is the preferable position for maximum value. It is also recommended that you ingest a large helping of horse laxatives approximately 30-40 minutes before sex. After ejaculating onto your partner's back (preferably as high as possible without entering the neck area), quickly point your anus onto the semen that you've just laid and defecate as much as possible before your partner moves. Your partner will quickly realize what is transpiring, causing him or her to quickly jump up, thus causing the whitish-brown semen feces explosion to slide down his or her back, thus resembling an icy mudslide in Siberia.
Mike 1: Yo you'll never guess what I did to my wife last night!
Mike 2: Dude what???
Mike 1: I took 30 grams of pure bear laxatives, came on her back and gave her a good old Siberian mudslide.
Mike 2: Dude no way, let me get some of those laxatives and I'll try it tonight!