X

A math teacher's best friend who always seems to go missing in every class. You have to find X by solving equations in which X will be substituting for one of the numbers. If you solve the equation, you have officially beat life.
Mark: I can't believe Mr. Smith asked us to find X, it's like he never shows up to class
Ryan: Where could he be this time?
Mark: I dunno, probably in Question 1
by Isaac Taylor August 21, 2019
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x

Placeholder element in math, programming, language, and more.
var x = "placeholder";

function ( x ) { return x; }

string x = "";

void function( x )

{...}

11 = x + 2

y = mx + b

4 + 4 = x

"Did you know that X person did Y thing?"

"X crime was committed today... what a shame!"
by memestinkyboy May 08, 2021
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x

A term used by people who write relationship fanfiction to indicate two people in a romantic relationship

(This also expands into other indications of relationships such as the “&” sign which typically indicates a strictly platonic relationship, or a “/“ which typically indicates a mostly sexual or romantic relationship)
Girl on Tumblr: OMG, did you see the new fanfic that got posted that was Character 1 x Character 2?!?! So cute!
by toped July 10, 2018
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X

Twitter’s new name by Elon Musk.
Person 1: Did you hear that Twitter got changed to X?

Person 2: Yeah, I’m gonna miss that bird logo...
by ShortStackSnake November 24, 2023
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X

1.
The 24th letter of the English alphabet.
2.
The new name of Twitter.
3.
A mark that marks the place of treasure.
1.
Foreign person: Yo bro what was the 24th letter of the alphabet?
Bro: X
Foreign person: Thanks
2.
Mr. Bill: Do you have Twitter?
Nerd: Uhm akshually it's now called X

🤓☝️
Mr. Bill: shut up
3.
Pirate: What marks the spot?
Pirate 2: X marks the spot
Pirate: ok cool
by GOOFY AHH MAN ‼️ December 01, 2023
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x

a + that fell over.
Please help out x. He feel over like a idiot.
by 🍔 Burger King November 03, 2018
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X

Elon's shitty version of Twitter
What's X? Who the hell is Elon? 2024??? It's still 2006, you must be misrembering a dream. Anyways, I just found this cool website called twitter.com.

Wait, who the fuck is this "Dream" person your talking about?
by Funky Games January 28, 2024
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