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a fool in a trench coat 

Describes a person whose abilities are being overestimated
Person: "Hey, can you help me with my math? You seem like you know what you're doing".

Fool: "Oh no, sorry, I'm just a fool in a trench coat". I know nothing".

or

Person: "How is that person so smart? They know everything??!!!"
Grump: "Please! They're just a fool in a trench coat. They have no idea what they're doing".

Atenchahoe 

When I'm talking bitch pay atenchaho

Mrs. Harrison I have a question, so pay atenchaho!

Atenchahoes, we must start this meeting soon.
Atenchahoe by KGGREASY October 30, 2009

Aerenchyma 

a type of plant tissue characterized by large air-filled spaces. It is primarily found in aquatic plants and plants growing in waterlogged conditions. The primary function of aerenchyma is to facilitate the exchange of gases, such as oxygen and carbon dioxide, between the plant's aerial parts and its submerged or waterlogged roots. This adaptation is crucial for the survival of plants in anaerobic (low oxygen) environments, as it allows the roots to receive sufficient oxygen for respiration. Aerenchyma can form through the enlargement of existing intercellular spaces or through the breakdown of cells (lysigeny) to create air spaces.
Person 1: "Why can some plants survive in waterlogged soils?"
Person 2: "They develop aerenchyma, which helps transport oxygen to their roots."
Aerenchyma by scugtunker May 29, 2024
Yo teach, none of us wanna pay attench to yo boring ass.
Attench by Coolcat5476 December 5, 2025

emo in a trench coat 

See that emo in a trench coat?
Yeah that dude is such a JD
More from Urban Dictionary

funflation 

The recent boom in consumer spending on entertainment and experiences with a high demand running up the cost of enjoying of those experiences.
I’m trying to go to this Taylor Swift concert but the funflation has made it so impossible for me to afford tickets.
funflation by Dfree523 November 17, 2023
Word of the Day on October 13, 2026
A US deep south term for an alligator. Usually used in the Cajun dialect.
Take the big pirogue, I saw a huge swamp dog out there earlier.
swamp dog by Crystal Ambrose May 22, 2006
Word of the Day on October 12, 2026

Throat Sweats 

The feeling and build up in your mouth/throat of saliva that sometimes accompanies nausea.
Oh man those burritos gave me the throat sweats, I hope I don’t have food poisoning.
Throat Sweats by TacoFings420 April 23, 2024
Word of the Day on October 11, 2026
Being ignored by someone when making a statement or asking a question. Also known as blanked and turfed.
Person 1: Did u watch ** last nite?
Person 2:......
Person 3: O no u got aired!
aired by Pietro February 9, 2005
Word of the Day on October 10, 2026

piddlefart

verb. To waste time doing nothing.
Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026
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