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Leosis is a term used in competitions to mean when one person is up against someone else and knocks them the fuck out with one hit. It can be used as a synonym for Falcon Punch.
Related terms: Leosis-ing, Leosis'd, Falcon Leosis.
"Yo you see what she did there? She LEOSIS'd the competition!"

Guy 1: "Are you pumped for your fight tonight?"
Guy 2: "Yeah man, I'm gonna Falcon Leosis that shit."
Leosis by Border Runner December 20, 2010
Words you can keep

small-waist-in-the-afternoon-leosis 

1. In the morning your pants are too small and in the afternoon their falling down.
I have small-waist-in-the-afternoon-leosis my pants are too small in the morning so I did'nt use a belt. Now their falling off.
Leonise is an amazing person who wears her heart on her sleeve. She’s caring and loving and believes in being kind and respectful to every person you meet.

Leonise loves deep conversations as a matter of fact she prefers them over the shallow bullshit everyone like talking about.

She’s loves music, reading and can make a shit ton of noise when she goes batshit crazy. Don’t mess with those closet to her she’ll end you.
You need a Leonise in your life.
The name used to ship two people who are together, Leo and Lois. Used when they are being all romantic.
Person 1: Hey look he's hugging Lois!

Person 2: Aww! #Leois
Leois by gamer_124 November 26, 2018
The ability to annoy everyone by saying how great and grand life is when you have a gigantic bank account. Health care and college costs be damned when you have billions.
Marty went all Leonsis on us when he won the lottery and converted to Buddhism.
leonsis by muffinarm August 28, 2010

Leonissak 

The devils angel. He is sworn to be by the side of the devil and protect him. He brings sacrifies to the devil to insure the devils saftey
Leonissak is satanic
Leonissak by Sacred Dragon December 9, 2004

leotistical 

A person who has supreme confidence in themself and their potential because they are a leo.

The ability to lead ,yet sometimes be arrogant, for the good of themselves and sometimes others because im youre a leo.

Acting like a leo because you are a leo without intentionally acting like a leo.

Being egotiscal and a leo all at once.
Ricky is leotistical
leotistical by dBR October 3, 2012
More from Urban Dictionary
Acronym, meaning Too Long Didn't Understand
Similar to TLDR
Sister: This meeting was to discuss the rough draft of my essay, where we discussed the subsidiary questions I added in my rough draft. We also discussed the relationship between my main title and the real-life situations I chose to use in my essay. We discussed the structure of my essay as well, specifically the Math AOK section and how it relates to the contradiction of the title. This second meeting was particularly helpful in discussing the implications of my essay claims and how to apply the title across various areas of knowledge. There were many sections of the essay that could have been cut down in wordiness and the ways of knowing required further and more in-depth analysis.

Me: Woah! TLDU!
TLDU by L-Evans January 14, 2019
Word of the Day on August 30, 2026
the act of having anonymous sexual encounters with other men in public toilets.
Cottaging by greeef April 24, 2003
Word of the Day on August 29, 2026

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026

young pup 

a young person, a young adult in their late teens/early 20s.
Ah, you're just a young pup at 23!
young pup by the dog May 30, 2006
Word of the Day on August 25, 2026
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