$.02        - two cent's worth
AFAIK       - as far as I know
ASAP        - as soon as possible
AV          - Authorized Version
BBL         - Be Back Later
BCE         - before the common era (aka BC)
BCP         - Book of Common Prayer
BFN         - Bye For Now
BRB         - Be Right Back
BTAIM       - be that as it may
BTW         - by the way
CAD         - Control-Alternate-Delete or Computer Aided Design
CE          - Common Era (aka AD)
CEV         - Contemporary English Version
CP          - copy protection
FUBAR       - fouled up beyond all recognition
FWIW        - for what it's worth
FYI         - for your information
<g>         - grin
<G>         - big grin
gd&h        - grinning, ducking and hiding
gd&r        - grinning, ducking and running
GNB         - Good News Bible
Greek OT    - collection of Jewish holy books in Greek; aka LXX
HB          - Hebrew Bible
HSIK        - how should I know
IAE         - in any event
IANAL       - I am not a lawyer
IAW         - in accordance with
IM          - instrumental music
IMO         - in my opinion
IMHO        - in my humble opinion
IMNSHO      - in my not  -so  -humble opinion
ISTM        - it seems to me
IWSTY       - it would seem to you
JFYI        - just for your information
KJV         - King James Version
LB          - Living Bible
LOL         - laughing out loud or lots of luck
LMAO        - laughing my <ahem> off
LXX         - common abbreviation for Greek OT; or, for many, the Septuagint
MS(S)       - manuscript(s)
NAB         - New American Bible (Catholic)
NASB        - New American Standard Bible
NBD         - no big deal
NCV         - New Century Version
NEB         - New English Bible
NIV         - New International Version
NJV         - New Jewish Version
NOYB        - none of your business
NRSV        - New Revised Standard Version
NT          - New Testament
OBE         - overcome by events (no longer relevant)
OC          - one cup
OIC         - oh, I see
OT          - Old Testament
OTC         - on the contrary
OTL         - out to lunch
OTOH        - on the other hand
ME          - mutual edification
PMFJI       - pardon me for jumping in
PMJI        - pardon my jumping in
PTB         - powers that be
REB         - Revised English Bible
ROTFL       - rolling on the floor laughing
RSN         - real soon now
RSV         - Revised Standard Version
RTFM        - read the fine manual
RV          - Revised Version
SNAFU       - situation normal, all fouled up
Sysop       - Systems Operator; person who runs a computer system
TANSTAAFL   - there ain't no such thing as a free lunch
TEV         - Today's English Version (aka GNB)
TAFN        - that's all for now
TIA         - thanks in advance
TIC         - tongue in cheek
TTFN        - ta  -ta for now (good bye)
TTYL        - talk to you later
TSR         - terminate and stay resident (computer program runs in memory)
WOA         - work of art
WYSIWYG     - what you see is what you get
YB          - your brother
YBIC        - your brother in Christ
YS          - your sister
YSIC        - your sister in Christ