Back-to-Basics: 6th edition 40k Acronyms

A lot of assumed knowledge comes with Acronyms and I try as often as I can to spell those out in individual posts. I regularly fail at this though ^^. So, what I want to try and do is put together a post we can use as a reference for such which is easily accessible for newer players. I can't think of everything though so I'll get us started and then if individuals could help in the comments and I'll update the post regularly, that would be fantastic.

ATSKNF = And They Shall Know No Fear

AV = Armor Value

BRB/BYB = Big Rule/Yellow Book

Dakka/Torrent = lots of shots

FC = Furious Charge

FNP = Feel No Pain

FMC = Flying Monstrous Creature

HP = Hull Points

IWND = It Will Not Die

LoS = Line of Sight

LoS! = Look out Sir!

MC = Monstrous Creature

RCL = Random Charge Length

RGL = Random Game Length

TLoS = True Line of Sight

WAAC = Win At All Cost

WYISWYG = What You See Is What You Get

(BT) Black Templars -

(BA) Blood Angels -

SG = Sanguinary Guard or Sternguard

Chaos Daemons -

Flying Circus = army based upon lots of Flying Monstrous Creatures

(CSM) Chaos Space Marines - 

(DA) Dark Angels -

(DE) Dark Eldar -

Eldar -

(GK) Grey Knights -

(IG) Imperial Guard -

Orks -
KFF = Kustom Force Field

(SoB) Sisters of Battle -

(SM) Space Marines -
TH/SS = Thunderhammer/Stormshield Terminators

(SW) Space Wolves -
TWC = Thunderwolf Cavalry

Tyranids -

Tau -