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Mr. X is the male version of the letter "X" in the English alphabet. Mrs. or Ms. X is the female version. Since they have no genitalia it is hard to differentiate between the two.
abcdefghijklmnopqrstuvwxy and z - Mr X is right in there towards the end.
Mr X by Junkrocka May 15, 2008
mister X is a person that you talk about with friends in code, usually a dealer of things that are code-worthy. See Mr. Nice Guy.
Are you going to mr x's? To get that stuff? Cool.
mr x by mogrove42 July 22, 2006
Bernie the Farmer from the Shaun the Sheep movie but he lost his memory and calls himself Mr X.

He becomes a fully HECTIC flemmo barber who gives people fresh fades!
Guy 1: Yo I'm about to watch the Shaun the Sheep Movie
Guy 2: Can I come?

*After watching the movie*:

Guy 1 & 2: OMG Mr X is FULLY SICK he's DA GOAT FRFRFRF ONG NO CAP I WANT A FRESH FADE FROM HIM RN W MOVIE
Mr X by goofy ahh skibidi ohio rizz October 30, 2023

Mr X Cock Size 

Damn Mr X Has A Big Ass 19 Inch Cock
Mr X Cock Size Is Huge
Mr X Cock Size by Mr X X X March 3, 2023

Smithers x Mr. Burns 

A ship involving Smithers and Mr. Burns from The Simpsons.
Dude! Smithers x Mr. Burns should become canon!

Mr Mann X Desi 

My otp
Daku: What's your server otps?
Me: Mr Mann X Desi
Mr Mann X Desi by DGETSDTHHGS March 23, 2020
More from Urban Dictionary

fauxstalgia 

Faux nostalgia. Faking old things in an attempt to recapture the feeling of times gone past, especially of technology that has passed.
Hipstamatic pictures, just like the vinyl-static added to digital recordings, is prime fauxstalgia
fauxstalgia by scotte61 December 16, 2010
Word of the Day on October 15, 2026

pajama casual 

Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.
pajama casual by jrod-knows March 31, 2020
Word of the Day on October 14, 2026

funflation 

The recent boom in consumer spending on entertainment and experiences with a high demand running up the cost of enjoying of those experiences.
I’m trying to go to this Taylor Swift concert but the funflation has made it so impossible for me to afford tickets.
funflation by Dfree523 November 17, 2023
Word of the Day on October 13, 2026
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