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Deadache 

A headache (or general pain, physical or mental) that's so bad you might as well die.
I ate a gas station hot dog that fell on the floor and it gave me a deadache
Deadache by MrWine November 6, 2022

deadace 21 

1. The most disgusting and offensive insult you can ever call some one. Is described as one who is egocentric, bi-polar, a compulsive liar, a cheater, slime, flame-baiter, and the butt of all jokes.

2. A player on Arcanists who exhibits these annoying behaviors listed above.
-Wow this fag is such a deadace 21.
-Stop acting like deadace 21 you bitch.
deadace 21 by Mod Thomas October 20, 2009

Deadcheck 

The action of checking if a friend/roommate is still alive after not seeing them for an odd length of time.
Guy 1: Have you seen Bob lately?
Guy 2: You should probably call in a deadcheck.
Guy 1: Nah, maybe if he's not back by Monday- I think he went to Vegas.
Deadcheck by Vienot May 21, 2011

dreadache 

Commonly found in those with dreadlocks. Result of rolling/rubbing etc your dreads, and ending up with a pain in your scalp.
Dude, I rolled my dreads for all of business class and now I have a terible dreadache.
dreadache by Cooper B May 13, 2008

deadcheecks

Seriously; to reference something being accurate or on point.
Used similarly to the term 'real talk'
Believed to have originated in some Harlem neighborhoods in NYC as an evolution of the term 'deadass' which is used in the same way.
"The song that's playing is ILL!"
"Deadcheecks."
Or
"You had to be there, man! That guy was like the Hulk, deacheeks!"
deadcheecks by TuAlma MeLLama August 21, 2011
More from Urban Dictionary

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
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
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