BBIAS

In chat abbreviations BBIAS is short for be back in a sec, an indication that the user is leaving the computer, but will return very shortly. 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.”