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Lexical gap 

The word for when there isn't a word for something that there should be a word for.
Ex) There is a lexical gap involving a non-slang verb for sex
Lexical gap by **Frisbeetarianism** November 18, 2010

Lexical exaggeration 

1. (noun) A phrase or sentence that exaggerates its vocabulary to an unprecedented extent. This is usually done in a joking manner or to seem intelligent. In the latter usage, it often backfires, making the speaker seem pretentious.
2. (noun) The act of using a lexical exaggeration. (see 1)
Speaker 1: Sorry for bumping you on the shoulder.
Speaker 2: I personally did not appreciate the manner in which you interacted with my glenohumeral joint. Due to this misdemeanor I will not engage in the acceptance of your apologetic response.
Speaker 1: Wow, thanks for the lexical exaggeration, asshole.
Lexical exaggeration by MBite April 2, 2021

lexical heresy 

The act or process of defiling or misusing parts of grammar and language. Examples include misuse of possessive pronouns in place of homophonic consonants.
Did you see the lexical heresy that kid was spewing? He used "your" in place of "you are"... cringe
lexical heresy by Pyoepsx September 16, 2020

Lexical Patternism 

Refers to the understanding or awareness that the acquisition of vocabulary (lexical knowledge) enhances one's ability to discern, comprehend, and interpret patterns in life. This term encapsulates the notion that language and cognition are intertwined, and that expanding one's vocabulary is a key tool for broadening one's cognitive and perceptual capabilities.
Through Lexical Patternism, he realized that learning new scientific terms not only expanded his vocabulary but also sharpened his ability to recognize complex patterns in ecological data, leading to more insightful analyses.

Lexical-Redirect 

When you're in a conversation and can't think of a word for something and struggle to find the right word or words, and your brain keeps coming up with the wrong words, just roll with it!

The Lexical-Redirect is, in the spirit of Cunningham's Law, the art of intentionally uttering the wrong word, knowing that simply by doing so, your brain will correct itself and think of the right word.
To another family member - "Hey, we're almost out of.. toothpick-earwigs... because, apparently Q-tips don't exist according to my brain."

Family member - "Nice Lexical-Redirect, I was scared for a moment that we had earwigs on toothpicks somewhere in our house."

Lexical Drift 

Similar to semantic drift but instead of the definition changing the word and definition change.
Due to lexical drift, the Old English word mete, which once referred to all types of food, evolved into the modern English word meat, now specifically referring to animal flesh.
Lexical Drift by Iyla1201 December 30, 2024
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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