The text message language (txt spk)of abbreviations that is further extended to instant messaging- "chatting"- on a computer. cht spk stands for chat speak. Generally, In cht spk, the use of vowels in long words is eliminated, and any word or syllable that sounds like a number is written as a number. silent letters are eliminated, and letter combinations are replaced with a similar sounding single letter if possible.
(The following is in cht spk)
Person #1: hy wassp bab? (hey whats up babe?)
Person #2: nm u? (nothing much, you?)
Person #1: jst chilln. (just chilling)