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539 is 1337 in hexadecimal form. Too many people were found to be using 1337, therefor the truely 1337 have turned towards their base 16 saviour, hexadecimal numbers!
539 is pronounced 'Seg', and can be used instead of the word 'Sex', as well as meaning 1337. eg...

-I'm so 539sy (I'm so sexy)
-OMG 539 (Oh My God, 1337)
-539z0r HaxXz0r (1337 hacker)
539 by An@rchy May 25, 2004
Related Words
539 • 5391 • 5396 • 539er • budgetz-539 • doomdog_539 • 53-95-83
Just seeing him…
Once just didn’t do…
Around…
I had to do …
539
I love you!!!!
539 by Just a girl with ❤️ for 1 September 9, 2025

doomdog_539 

a moderator for for twitch streamer AndAnd__. the second to be vip and modded on AndAnd__’s channel
doomdog_539 by scrapz12345 May 30, 2021

budgetz-539

budgetz
budgetz-539
budgetz-539 by budgetz June 5, 2026
Secret code for “So we’re strangers again?”
5391 :(
5391 by sxgawxrld April 18, 2022
Jew (see the telephone dial)
That 539er left no tip!
539er by Mel Gibson August 21, 2007
More from Urban Dictionary

Witch Bath 

A bath consisting of a variety of slats, oils, soaps or any other added ingredients such as fruits, milks, herbs or any other spices for health or beautifying benifits.
She brought home alot of stuff and took it to the bathroom. She must be taking a witch bath.
Witch Bath by carnieboy30 October 26, 2020
Word of the Day on October 31, 2026

kinktober 

An excuse for people to write porn with different types of kinks throughout the month of October.

Smut Fanfiction
That chick doesn't write often but when she does, its for Kinktober.
kinktober by Kinkiest July 12, 2018
Word of the Day on October 30, 2026

proper lad 

a lad that is such a lad that he is a proper lad
person1:did you see bob
person2: ya he was a proper lad
Word of the Day on October 29, 2026
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
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