(noun) A (generally homo)sexual act in which one person penetrates their partner's anus as that person defecates, causing a power struggle between the two solids. Can be either intentional or unintentional. Takes its name from Madison, WI, the sjw capitol of the world.
Mark: Dude, last night I was super horny, so naturally I called up my fuckbuddy. He said he was down, but hadn't "gone" in a while. Long story short, I was too horny to care and ended up with a Madison Mudslide. That's like the third time this month!
Gabe: "He" is a trans-phobic micro-aggression. Please use the non-gender specific "they."
Ejaculating into your partner's anus after anal intercourse. Then said partner runs to the bathroom to let the hazelNUT mudslide flow into the porcelain throne.
Hey babe want to get wet and wild tonight since the kids are away?
Babe: Sure, but what new position do you want to try out this time?
Guy: I've actually always wanted to give you a hazelnut mudslide.
When someone takes a shit in the toilet so big is leaves a smear across the whole bowl resembling mud sliding down the sides.
Omg I went into the washroom and Sarah left a moosehorn mudslide
it is when you’re getting scissorfucked in the anas by a bulldyke with a banana shaped dildo
lastnights banana mudslide was epic
Mayorquin Mudslide is when you take your girl to taco bell for dinner and load everything with fire sauce, fuck her in the ass and watch that volcano blow.
I took this base rat wannabe dependa out to taco bell for dinner and loaded her food with fire sauce while I just ate crayons. Went to her place to finish the night up right and the Mayorquin Mudslide I gave her was outfuckinstanding!
A large,slippery and brown shit.
"I put a mexican mudslide in the bathroom of that mexican place down the road"
When you’re out of toilet paper so to clean off your ass, you take a quick shower to wash off the residue.
Rent was due and I can’t afford toilet paper so I had to settle for Mexican mudslides after every deuce I dropped this week.