What Does 133T Speak Mean?133t speak is a language born on the Internet that uses ASCII characters to replace letters of the English language. It is a unique, made-up language that cannot be spoken aloud or successfully handwritten. There is no limit as to how the letters are formed, as long as they are somewhat distinguishable from those that understand the language.
133t speak originated in the 1980s with computer hackers who did want people "listening in" on their discussions about hacking and cracking.
This language also may be referred to as LEET or LEET speak.