You'll also see DF=Dear/Darling Fiance and DSO=Dear/Darling Significant Other...The list is endless.
I've always liked this list:
AFK Away from keyboard
BF Boyfriend
BIL Brother-in-law
BRB Be right back
BTDT Been there done that
BTW By the way
CTS Consider the source
DD Dear daughter
DH Dear (or darn) husband
DS Dear son
DSD Dear stepdaughter
DSS Dear stepson
DW Dear (or darn) wife
F/U Follow up
F2F Face-to-face
FAQ Frequently asked question
FIL Father-in-law
FWIW For what it's worth
GF Girlfriend
GMTA Great minds think alike
HTH Hop
As soon as I get all my boxes unpacked and I'm organized, I'm going to be hitting the couponing. I haven't had a chance to try it out, but really want to.