AFAICT	as far as I can tell
AFAIK	as far as I know
BBL	[I'll] be back later
BFD	big fucking deal
BIAB	back in a bit
BIAF	back in a few
BIAW	back in a while
BRB	be right back
BTW	by the way
DTRT	do the right thing
DTWT	do the wrong thing
FWIW	for what it's worth
FYI	for your information
ISTR	I seem to recall
WTF	what the fuck
WTH	what the hell