The actual definition of an acronym and text shorthand is here.
Online enthusiasts are learning that shorthand are in fact called acronyms, but this is incorrect.
The difference between acronyms and shorthand is that with acronyms, (for example, 'ESP' is an initialism for 'extra sensory perception' whereas 'esp. The online practice is to refer to shorthand, initialisms, or abbreviations as acronyms.
The majority of the expressions you see above are not acronyms, but rather shorthand used while text messaging or IMing.
There are several terms to describe different kinds of jargon including anacronym, backronym, weather acronyms, city acronyms, leetspeak and textonyms.
BTW: If you ever see someone TYPING AN ENTIRE SENTENCE IN ALL CAPITAL LETTERS that means SHOUTING!
Commonly used wherever people get online -- including IMing, SMSing, cell phones, Blackberries, PDAs, Web sites, games, newsgroup postings, in chat rooms, on blogs, or on social media -- these abbreviations are used by people around the world to communicate with each other.
It is not proper netiquette to TYPE IN ALL CAPS (even in email), in fact, it's annoying.Intelligent, handsome and charming is not how you would describe me. I enjoy the openness and honesty that I've found among a special subset of Babbler members, and I'd be interested in more of the same. Just a normal guy who happens to waste too much spare time on sex chat sites. Drop a line if you like what you see and want to have so...