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When a man, gay or otherwise, has anal sex with at least 3 or 4 other men throughout the same day and night. Girls can be count as part of the mud run, but the one making the run is always a guy.
Guy 1: You guys wanna come over this weekend for a BBQ, some drinks and then maybe a mud run.

Guy 2: Ah, yeah, that could be fun. I've never done a mud run before.

Guy 1: You don't know what you're missing. You can even bring a couple of girls along, just not too many.
mud run by small mammal May 13, 2013
When there isn't any toilet paper in the restroom you've just pooped in, and you have to make a dash with poop on your asshole to another one.
Corissa: Why are you out of breath, and, by Jove, what is that smell?!

Kevin: Sorry babe, I'm on a Mud Run.
Mud Run by TheRipper19496 June 25, 2015

Bangladesh Mud Run

When a person is taking a dump and a second person sits on the first person's lap effectively taking a dump between person number one's legs.
"Hey dude I gotta shit"
"Fuck off I am already grumpin"
"Bangladesh mud run mother fucka"
Bangladesh Mud Run by skufd January 16, 2008

Spartan Mud Run 

The sexual of defecating on your partners back and then using the feces to shape their hair into a Mohawk.
Steve gave Kailey a Spartan Mud Run for an anniversary gift this year.
Spartan Mud Run by Thedangler602 August 9, 2022

Missouri Murry Mud Run 

Dating a cop that has such bad breath and a rancid baby exit that you choose door number 3 to save your sheets.
I once dated a girl next to Kansas City that I had to do the Missouri Murry Mud Run on or risk having to buy new sheets.

Mud Runner 

When a person believes that they are still a virgin if they only have anal sex.
Hey man did you know that Jane is a mud runner?
Mud Runner by Nabik July 1, 2011
More from Urban Dictionary

kinktober 

An excuse for people to write porn with different types of kinks throughout the month of October.

Smut Fanfiction
That chick doesn't write often but when she does, its for Kinktober.
kinktober by Kinkiest July 12, 2018
Word of the Day on October 30, 2026

proper lad 

a lad that is such a lad that he is a proper lad
person1:did you see bob
person2: ya he was a proper lad
Word of the Day on October 29, 2026
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
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