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Can be a physical adaption to excessive friction or force. Or metaphorically speaking it can represent the suffocating structures of society where people become calluses as a result of their rough tough lives.
1. The callus on azains ear is so big.

2. There is a big ass callus on the ball of my foot specifically on the first metatarsal head joint on the ball of my foot underneath my big toe.

3. Ur da real callus
Callus by Putpatote_Hanamanote_Cuan September 27, 2026
1: A person who is very uncaring as to the feelings of others and is also very self absorbabed as is the case with Kanye West

2: A thickening of or a hard thickened area on skin or bark

3: A mass of exudate and connective tissue that forms around a break in a bone and is converted into bone in healing

4: The soft tissue that forms over a wounded or cut plant surface
callus:
Kanye West is a very callus person and does not care about the feelings of any one.

Taylor Swift accepts the Moonman Award for Best Female Video for "You Belong With Me" Until Kanye West callously cuts in and steals her big moment!
callus: by MissKittyX3 September 22, 2009

Callus Job

Having your anus massaged by someone's heel.
I was getting this callus job in the pool the other day and all I could think about was farting, three mile island style.
Callus Job by Atomic Alex July 9, 2007

callus your voicebox

The act of throat fucking someone so hard you apply callus to there vocal cords.
Come here babe, let me callus your voicebox.
callus your voicebox by MLGdiscord August 28, 2020

callus interruptus 

Jen got another call on callus interruptus and put me on hold for an hour.
callus interruptus by cookieknits January 28, 2009

Callus Bod 

A person with a fat gut but very thick and strong arms
Jeremy worked out today to get that callus bod.
Callus Bod by Ozpin September 17, 2019
More from Urban Dictionary

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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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