l33tsp34k 

1. Elite speak.
2. Internet slang language involving the replacement of letters with numbers and/or symbols, specifically to discourage and confuse new members of the community (See newbies or n00bs)

1. Do you know how to l33tsp34k?
2. j00 5u}{0Rz @ l33tsp34k (you suck at elite speak)

l33tsp34k by Geoff March 15, 2003

l33tSp34k 

The act of exchanging letters with numbers and other various symbols: don't even begin to try to understand it, it's a geek thing

573p|-| 15 4 l33t h4x0r

l33tSp34k by Billy Bishoff June 14, 2003

l34t5p34k 

l34t5p34k or leetspeak is a name for the style of typing used by many internet people primarily on online games this is where letters replace numbers or vice versa, it is often confusing and difficult to read but comes naturally to most nerds and games.

Examples are n00b(oo replaced by two zeroes) or H34Vy, EA is changed to 34 or l34t5p34k into LEETSPEAK

l34t5p34k by daws09 February 17, 2009

l33tsp34k 

retard speech coined by fags who slept through their English classes.

l33tsp34k by college student March 16, 2003