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Mayor McCheese

A McDonalds restaurant character that has been retired for a while now. He had a hamburger for a head.
They've retired a number of other characters, too
Mayor McCheese by Ryan Thompson January 18, 2004

Pits McCheeseburger 

A term used to describe any one of a number of fat, lazy, unambiguous, slob-like, jelly-bellied, repulsive, and utterly shameless individuals who constantly have "pit stains" as a result of profuse sweating originating from the massive amount of body fat present in the individual's body, and who have, on several occasions, been witnessed stuffing cheeseburgers in their mouths at an astonighing rate. Hense... Pits McCheeseburger
"Ahh dude check out Pits McCheeseburger over there!"

"Yeah man, that nasty bastard just ate another burger! Thats like 5!!"

Mayor McCheese

A colleague who consistently leaves work ('cheeses it') much earlier than expected, leaving you wondering whether they are actually employed part-time.
"Hey, where's Padma?"
"Sorry buddy, Mayor McCheese has already cheesed it"
"What?! But it's only 3pm!"
Mayor McCheese by jimmy tsolakis January 6, 2009

McCheese 

To state with absolute certainty that you will be at an event, then fail to show up without canceling. Usually characterized by also failing to respond to any attempts at communication by those who are waiting.

Differs from other forms of flaking or canceling late, as the offending party does not communicate their non-attendance, and does not respond to any attempts to figure out where he is.
We all waited around for him to show up, and called to ask where he was, but he totally McCheesed us.
McCheese by UnclePeaz November 10, 2009

Mr cheese 

AMONG US PLAYER WITH A SPEECH INPEDIMENT
Mr cheese by Care of cream December 1, 2020

macheesemo 

A manly man character that only cares about his body and women, with the exception that he is really a scumbag. Must be shirtless (or nude) at some piont. and have strange interactions with port-o-potties.

or;

a canned cheese mustache
OJ Briggs from Shabadelphia is macheesemo
macheesemo by Don't you know February 5, 2008
More from Urban Dictionary
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
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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