15
A sub-language invented by the hacker culture during usenet days. Letters would be replaced with numbers to make it harder for non-hackers to search for conversations and pick up on what hackers were doing at the time. It got the name "1337" from the word "elite", which where what hackers were. Unfortunately, script-kiddies caught on, and completely missing the point of 1337, instead began to use it to write EVERYTHING, thinking it would earn them passage into the hacker culture. Little did they know that it actually required knowledge to become a hacker. Now it is openly mocked by the hacker community, making fun of the kids who still use it although it's more than 30 years past it's usefulness, instead replaced by 128 bit AES encryption and the like.
D00d! 1|\/| 4 1337 H4X0R |\|0W!!!!111!!1
by Black Leopard May 04, 2006
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16
A language that you use if you only have a number pad for a keyboard.
1 4^^ 1337.
1 #4\/3 /\/0 l{3¥804l2l)

I am leet.
I have no keyboard.
by 1337 C70n3 February 26, 2008
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17
1. Used by both n00bs and true 1337s alike in order to convey their h4x0rz 5k1lz in a particular medium, primarily video and computer games. Its usage has become widespread, and now includes, but is not limited to, sports, sex, fighting, driving and eating. Essentially a synonym for "good."

2. An integer between the number 1336 and the number 1338.

3. The year that marked the beginning of the Hundred Years' War between two houses of the European nobility. These consisted of the House of Valois, who claimed the title of King of France, and the Plantagenets from England, who claimed to be Kings of France and England. Contrary to the implications of the name, the war lasted 116 years, ending in 1453.
1. z0mg m8 t4ht h4x0rz iz t3h 1337!

2. Guy #1:I'm thinking of a number between 1336 and 1338. What is it?

Guy #2: That's easy, you fuckwit. It's 1337.

Guy #1: Unfortunately for you, I didn't specify whether the number was an integer or not. I was, in fact, thinking of the number 1336.77389.

3. My favourite war is the Hundred Years' War, beginning in 1337 AD.
by Rob Knight May 30, 2008
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18
A word used my losery 10 year olds who read it playing Counter-Strike, which is in between watching Dragonball Z and Pokemon. Most of them don't know what it means and write screwed up sentences.
Loser69: h4 h4 I 4m 500 1337. j00 ll4ma ha><0|2z 5u|< mi w4ng!
Realplayer: Shut up and die.
by Madman April 01, 2003
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19
1337 Kelvin, the melting point of gold.
by da duckster August 24, 2006
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20
1337, Regarded by many as the most "hardcore" time of the day, 13:37 is the single minute during which most murders, rapes, hold-ups and general pwnings occur.
by N0name December 13, 2007
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21
The practice of using visually similar characters to replace the characters of everyday words. Many wanna-be hackers (13-year-old gamers who watched The Matrix one to many times) try to sound "professional" by talking in 1337 5p34|< (leet speak) during online games and internet forums. However, with all creatures, the ability to speak does not guarantee intelligence.
Wanna be: j00 F00! 1 r0x0rs j00! 1 4/\/\ 1337 H4x0rz!

Forums Moderator: Do you even know the difference between a MAC address and an IP?
by Cyberopts July 24, 2005
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