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Caillah is a girl name which the person with the name Caillah is both cute and hot!! The girl with this name also has a very nice personality and you can actually kill the world for her. People who friends with Caillah should be thankful for being blessed with such a polite lady too! Caillah also is a soft girl but don't mess with her or else she can also kick your ass.
Person#1 :Wow! Your're friends with Caillah? That's cool!
Me : I know right?! She's awesome and I'm lucky heh
Caillah by zhyr0yx November 22, 2021
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Callahan Theory 

The Callahan Theory is performed when a person completes all of his/her homework on the absolute last day of the semester. No homework is done through out the course until the last day. Then, he/she hands all of it in to the teacher all at once. To complete the theory, you must still achieve a 3.5 GPA.
Matt - "Hey Pat, have you done your homework tonight?"
Pat - "No, we're only two weeks into the course, I follow the Callahan Theory."
Matt - "What's that?"
Pat - "It's when I do all of my homework on the last day of the semester, and still get an A!"
Callahan Theory by MickWhop July 23, 2012
Guy 1: Eyyy, what Chillah up to?
Guy 2: I don't know man, lets call him up.
Guy 1: Fuck yeah, that guy's super chill.
Guy 2: Word
Chillah by JHoliday5 July 26, 2018
The street slang in New York for a pretentious child looking for more attention than he can handle.

It is also used for wanting more than you can get.
Damn son you cant get all dem chicks you a crillah.
Crillah by dennisd95 January 19, 2009

A Callahan 

When you screw over your soldiers or employees because you can't get over your own bitterness. Applies to all people who revel in ruining the lives of others because of their own whimsical opinions. Common symptoms of "A Callahan" include Napoleon Complex, little dick syndrome, and others.
"Dude, my boss won't let me take vacation for my honeymoon. He's pulling a Callahan on me."
"I literally had COVID but my professor won't let me make up the exam. What a Callahan."
A Callahan by psyfloperator November 18, 2020

caillagh 

Caillagh is the type of person that will become your best friend right away but then you will soon realise that she is a stuburn backstabbing Bitch that hates nearly everything and almost every.
She ment everything to me but then she turd out to be a caillagh
caillagh by Emo_unicorm1357 January 23, 2018

calllahannn 

my famous mutual 😍‼️
calllahannn is a famous mootie patootie of mine 🤤😫‼️
calllahannn by cr0wles June 28, 2021
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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