leetspeak
(ˈliːtˌspiːk) n (Computer Science) a jargon used by some internet groups, in which standard English is translated into a mixture of letters, numerals, and symbols found on a computer keyboard. Also called: 1337
[C20: from elite + -speak]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
leetspeak
A form of online jargon in which alphabetical characters are habitually replaced by numerical or nonalphanumerical characters (such as hyphens, underscores, and punctuation symbols) For example the word “leet” may be spelled “l33t.” Deliberate misspellings are also common. For example “cool” is commonly spelled “kewl.”
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited