AWOL

In chat abbreviations AWOL is short for Away without leaving, an indication that the user is still near the computer but is otherwise occupied. Chat abbreviations are commonly used in Internet and online communications mediums such as e-mail, IRC, instant messaging, or through SMS.

See also Text Messaging Abbreviations in the Quick Reference section of Webopedia for definitions of hundreds of instant messaging, SMS and chat abbreviations, plus a guide to smiley faces and emoticons.”