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One person, alone, who enjoys one other persons talents enough to want to form a friendship, or relationship, with them.

When plural, may be used as groupie, for supporting a group, or supporting AS a group.
W:I think you are my groupie.
J: I am not a group, and neither are you.
W: Well, no. So what are you then?
J: I'm an only.
Only by JDiebold January 2, 2009

Only I get that joke 

The definitive statement that proves anything you say is an inside joke. Best used when everybody gets the joke or when the statement is in no way a joke.
"True Detective!? More like false detective... Only I get that joke."

Only on days of the week that end in “y”.

Only on days of the week that end in “y”… a saying that just actually means “every frikin’ day”.
Example #1

Question: Do you drink often?

Answer: Only on days of the week that end in “y”.

Example #2

Question: Do you use drugs?
Answer: Only on days of the week that end in “y”.

Only the brave 

one of the best songs by singer-songwriter Louis Tomlinson on his debut album "Walls" that the lgbtq+ part of his fandom has claimed because of its lyrics.
"what's your favorite song on walls that you stream all the time?"
"defiantly only the brave!"
Only the brave by Clario October 18, 2020

Only the brave 

Only the brave or Otb aka the best song on walls.
Person 1 : I'm starting to like Louis Tomlinson's songs
Person 2 : Listen to Only the brave you'll love it
Only the brave by BURNTROM4NCES November 1, 2020

Only you 

Train. Hunt. Kill. Sacrifice.
Cull the herd.
Only you...
Can make all this world seem right.
Only you...
Can make the darkness bright.
Person 1: Good. Cull the herd.
Person 1: You are a warrior.
Person 1: Only you...
Only you by Deputy Pratt April 24, 2019
More from Urban Dictionary

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
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
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