I have come accross a few abreviations over the years which I did not know at the time. A few below some of you may not know (sheer poetry):
Abbreviation – Meaning
AFAIK – As Far As I Know
AFAICT – As Far As I Can Tell
BFN – Bye For Now
BTW – By The Way
FAQ(s) – Frequently Asked Question(s)
FTR – For The Record
FUD – Fear, Uncertainty and Doubt (not only a forum abbreviation)
FWIW – For What It’s Worth
FYI – For Your Information
HTH – Hope This Helps (or Helped)
IANAL – I Am Not A Lawyer
IIRC – If I Recall Correctly
IME – In My Experience
IMHO – In My Humble Opinion
IMNSHO – In My Not So Humble Opinion
IMO – In My Opinion
IOW – In Other Words
ISTR – I Seem to Remember
LOL – Laughing Out Loud
NP – No Problem
OP – Original Poster
OT – Off Topic
OTOH – On The Other Hand
PEBKC – Problem Exists Between Keyboard and Chair
PITA – Pain In The A***
ROFL – Rolling On the Floor Laughing
RTFM – Read The [Flipping] Manual!
RTM – Read The Manual
SSIA – Subject Says It All
STFW – Search The [Flipping] Web!
TBH – To Be Honest
TIC – Tongue In Cheek
TY – Thank You
WAG – Wild-A**** Guess
WFM – Works For Me
WRT – With Respect To
WTF – What the F^&* ?
YGM – You Got Mail
Feel Free to add any 😉 ahh also MTFU – Man the F%^& up