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15.
leet speak or 1337 5p34|< was originally used by hackers as a way to send messages, now is used by hardcore gamers to insult. leet or 1337 is derived from the word elite meaning simply the best.
|)1|) _|00 533 /\/\3 |>\/\//\/><0|2
|)47 /\/008?
translation: did you see me own that noob?
by that guy June 29, 2004
 
16.
Replacing letters with numbers to create nerd slang; mostly used by internet savvy (elite) people.

a = 4
i = 1
e = 3
k = |<
s = 5
r = |2
o = 0

etc.
0n1y n3|2d5 1337 $p34|< u f|_|c|<1ng f4gg07
by Ramsey April 18, 2004
 
17.
one of the worst languages ever invented, along with ebonics, semi english, low english, and Southern Speak.

invented by Hackers of the eighties and early nineties, usually spoken in Chat rooms, online PC games, and yes, even the prep tool of the Texting Model Cell Phones use leet speak.
very arrogant punks indeed, they think they are God or something of a higher power.
Example of Leet Speak: h4axxorz!!!111, Roxxerz, OMG, GTFO, PSO, and more

Example of Ebonics: yo, fo shizzle, dizzle, hizzie, fo sho, and more

Example of Semi English: 'We get phone to you.' or 'you too tired, take day off!'

Example of Low English: 'Me no likey this food' or 'you so crazy!'

Example of Southern Speak: 'Y'all wants some burgers?' or 'Nukuler bombs are the worse things ever invented.'
by Santino ash June 20, 2007
 
18.
something for sad fucks who want to swear in chatrooms or just annoy you.
( ) /\/\ 6 ( ) /\/\ 6
ooownedd
hahahaaa
ppwnned pwwneddedppwnwnnn
what the fuck am i saying?
im a sad fuck!
by rathsangatas drink November 30, 2004
 
19.
Using a symbol/letter/number to replace some letters in a sentence so that instead of:

"Everyone eats rice"

it becomes:
"3\/3ry0|\|3 347s r1c3"

Almost unreadable.
by Dolly November 28, 2003
 
20.
The first and simplest known origins of this out of control language were seen on calculators.
The number 71077345 when viewed upside down on a calculator reads 'ShellOil'. The language progressed from there.
From ShellOil to leet.
by Diego December 08, 2003
 
21.
Eubonics for prepubescent middle class white males.
whazzup!

\/\/h4+5 4r3 J0) D01|\|g!
by HeathenBastich December 27, 2004