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pronounced "baa-lous" - a contraction of the words Butt and Callous. A term describing the desensitization of the butt and groin that comes with sitting on a bicycle seat for extended periods. Without a proper ballous, cycling for long durations becomes extremely painful.
Floyd: Man- those guys on the Tour De France are impressive. They can ride for hour after hour on those crazy hard seats!

Greg: I know, I wish I had a ballous like that- I was riding last weekend and after several hours, I hurt so bad I couldn't sit anymore, but my legs were too tired to stand- It was like some medieval torture device!
ballous by schmuckaneers July 21, 2009
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Kek Ballos 

If something is funny or cool, the word kek ballos can be used. The origin comes from kek balls which means funny testicles. This is of course one of the most used words in the oxford dictionary. Kek means LOL and comes from WoW

If something is sad or annoying, the word sollab kek can be used. This is the reverse of kek ballos
-Hey man, I just lost my virginity
-Wow, that is very kek ballos

-My girlfriend cheated on me.
-Damn that is sollab kek.
Kek Ballos by Orrvish January 27, 2021

ballbust 

The act of getting kicked, kneed, and/or grabbed by the balls for excessive pain and pleasure.
No one does it better than Ashley when she ballbusts Mike...especially when he doesn't see it coming! ;)
ballbust by livin_in_paradise January 15, 2013
what is formed when a man wears his underwear very high so that it fits tightly over the genitals and a testical protrudes from each leg hole.
Brandon liked the her so much, he pulled up his boxer briefs and showed her the ballrus.

Ballbusting 

Ballbusting: when a girl punishes a guy for touching her or staring at her body by hitting his sensitive balls as hard as she can.
Ballbusting: I made the mistake of staring at a girl’s cleavage last week. She punished me by kicking me in the balls as hard as she could. I fell to the floor and couldn’t move for an hour. It was painful to walk for a week from the constant ache in my balls.
Ballbusting by falafelballs November 2, 2021

Cincinnati ballbuster 

When you have anal sex for about five minutes,right before you ejaculate you pull your penis out of their anus,shove both testicles into the anus and punching your partner in the back of the head while masturbating until ejaculation all over his or her back all in one motion.
Wow the cincinnati ballbuster was unheard of on the porn scene until now.

ballbusting 

Ballbusting is causing pain to the testicles of the male for enjoyment reasons rather than for self defence reasons. Women enjoy it for the power they feel when they can so easily drop a male to the floor in great agony. They also find it amusing to see them sqirming and groaning while holding their scrotums from such a minor blow. Males seem to enjoy their own vulnerability when it comes to a woman exploiting it. Most men become erect at the thought of a woman controlling them by their testicles. (women always aim for the testicles for self defence which is also a turn on for many)
Her fascination in ballbusting was her interest in the male weakness in his testicles and wanted to experience the feelings of power over a man much stronger than herself. She looked for any reason to kick a man in the balls.
ballbusting by Dixie John April 23, 2006
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
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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