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hallcest 

Having intimate relations with a person residing in the same hall of your dorm/apt/etc.
Person1: "Hey, Molly is really hot."
Person2: "No way man, she's only three doors down. That's like hallcest."
hallcest by Anonymous March 27, 2003
wild child always looking for trouble or adventure
Who else other than hallee!
hallee by hallee January 6, 2004
Hallee is a very beautiful girl with great style, who is super fun to be around and is always there for you no matter what. She can always make you laugh and when she is energized she has hella crackhead energy. Shes been through a lot but is one of the most mentally tough people you now. If you have a Hallee in your life, don't let her go because you will regret it.
"Wow, Hallee is looking super beautiful today!"
"Hallee was there for me when I cried in class yesterday."
Hallee by wow_its_late April 27, 2020

halleys comet 

Gaseous ice ball appearing every 80 years or so
Man "Hey I can see Halleys comet in the sky !" . Comet expert "Best place for it I say"
halleys comet by binsurfer December 11, 2003

haileesteinfeldsexual 

one feeling an romantic attraction to pop star and actress Hailee Steinfeld.
filmswithchan is a haileesteinfeldsexual
haileesteinfeldsexual by roguebatman November 29, 2021
1)the coolest
2)the best at something
3)the champion
She's totally hallee!
He's the hallee at painting.
They are the hallee of all basketball players!
hallee by Bob November 29, 2003
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

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
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