Colloquial Acronyms

AISB - As I Said Before
AISE - As I Said Earlier
AKA - Also Known As
BBS - Be Back Soon
BRB - Be Right Back
DIY - Do It Yourself
DND - Do Not Disturb
FYI - For Your Information
IDK - I Don't Know
(Fonte:www.theblogoflists.com/list-of-short-text-forms/)