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longjaw mudsucker 

A person that has agreed to go to an event, but every time they open their mouth there is an excuse as to why they are late and never end up making it.

The saying seems to have started in Santa Barbara during a bachelors party weekend, the longjaw mudsucker is typical from the area.
I just called Marin to see why he was late, but all I heard was excuses as to why he was late. I don't think he's going to make it, he is such a longjaw mudsucker.
longjaw mudsucker by SpekTro April 5, 2015

Golden Mudbucket 

A sexual act where one partner gapes their anus, and the other partner urinates into it.
Charlie suggested that the pair engage in a golden mudbucket, but was taken aback when he found out he would be the bucket.
Golden Mudbucket by MisterNefarious November 28, 2012

Muffucker 

Muffucker is the afronym of the English word "Person"
I hate dat muffucker!
Muffucker by ChipSlap February 1, 2005

Medina mudbutter 

When you use butter as a lubricant during anal sex when the recipient is constipated
To alleviate Sally's constipation, I gave her a Medina mudbutter when I got home
Medina mudbutter by Medina4life July 20, 2011

Mudburger 

When you shit your pants and especially when you have to sit in it (like in a car stuck in traffic) and you can feel the shit between your buttcheeks (buns).
I couldn't hold it any longer, I made a hot mudburger in my shorts.
Mudburger by AO Style October 13, 2010
M. is used for individuals who has regular and/or intentional intercourse with dirt or mud. It is a strong word which can be offensive in certain contexts.
- That guy seems to like mud unusually much.
- Yeah, that's because he's a mudfucker
mudfucker by Bertil Andersson December 25, 2008
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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