An acronym. It refers to a free-for-all links list where there are zero qualifications required for adding a link.
Be warned: If you link your site to one of these lists, you may end up receiving an enormous amount of spam in the future.
Online jargon, also known as text message shorthand, used in texting, online chat, instant messaging, email, blogs, and newsgroup postings, these types of abbreviations are also referred to as chat acronyms. For the largest list of Internet acronyms and text message jargon, click on "more info" below!