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A paper mashe dinosaur belonging to a lesbian named Calvin who is the son of patreece. It is a yellow doll will coloured shapes on it and hides underneath Calvin's bed. Its only words are "M-m-m-missup."
Hey, Fluffy check out that lesbian with that dinosaur doll...it must be a Missup!
missup by Coonetta April 20, 2005
Related Words

Messupable 

(adj.)
Derived from the noun, mess meaning, "a disorganized collection, {probably} a consequence of high entropy."
and the compound adjective upable.

Able to be messed up, edited and/or tinkered with, usually with the possibility of catastrophic failure. This pertains to the destruction of the modified noun itself or more important things affected by the object's state.
Don't worry man, this code is totally messupable. I promise your computer won't explode.

You should probably know that custom dog experiment you're running is not messupable. Things can and {probably} will die.
Messupable by ErgoPotato January 21, 2013

mussulman 

Archaic term for a person that follows the teachings of Islam.
"Mohammed is a mussulman!"

"Nobody has said mussulman since 18th century British sailors stopped saying it you dickwad."
mussulman by phi April 25, 2004

Mumsupial 

An otherwise slim MILFY looking girl who has retained a bit of extra stomach long after childbirth but it still otherwise attractive. It describes the rare occasion when the addition if the "pouch" is somehow quite endearing.
She is definitely a mumsupial but what a hottie!
Mumsupial by PrefectFord July 6, 2018
when a man orgasms on his mother
I took a mussu on my mom last night man!
mussu by bootylicker11 May 17, 2023

muss up my hair 

Girl, when I come over are you going to muss up my hair?
muss up my hair by Falconcc_24 October 12, 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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