RR - Reliability Rating
WTA - Winner Takes All
PPSC - Points Per Supply Center
EoG??

EoG - End of Game (report): used as a title for comments from the players on the game after it has finished.

dmz - demilitarized zone
NAP - non-aggression pact

For the record, CD is when you MP'd 2 phases in a row (MP= Missed Phase) since you could NMR without MP, a thing that happens very often.
Also, in creation settings, you can make up a game with the option that, for the "x" first turns, players are sent in CD after only 1 MP.

SC - Supply Center
HP - Home Page
PM - Private message

HSC - Home Supply Center

IJDMPASTAOM - I just dropped my pants and someone took advantage of me.

IJDHPATAOH - I just dropped her pants and took advantage of her.

MDLATSOMPANTTF- My dog licked all the syrup off my pancakes and now they taste funny.

This thread is a very useful one! :)
>:) but as long it's just kaner to have started it, I -must- add:
LOL - Laughing Out Loud

I might add:
ALL HOLDers
and one I heard recently but don't know what it means yet:
TILERS

anyone?

Oh:
Anon = an anonymous game
Non-Anon = not an anonymous game

RLgroup - you know someone in Real Life, you should let the mods know that you know other people already on the site.
Mods - Moderators; (people you should be nice to), who solve problems that you may have.

IHNIWTILERSM = I have no idea what TILERS means.

TIABSOH = That is a bizarre sense of humour

ty - thank you

I've seen someone use iirc before - what does that mean?

IIRC = If I remember correctly

YOLO- Your only liked online
SWAG- Secretly we are gay
NASCAR- Non athletic sport created associates redneck's

FYI- France you idiot

FYI - Fug You Italy

TILER - a player who deliberately NMRs or enters bad moves in order to try to get the game drawn or canceled.

ftw...

anyone?

kaner will you ever make a recap for us? Perhaps put it somewhere in the FAQs?

FTW - For The Win

I was just putting it out there. Some of the abbreviations I had no idea what they were and I figured others didn't either.

btw - By The Way
FAQ - Frequently Asked Questions

Although I really liked the joke ones, but here is the List (serious):

NMR - No Moves Received
CD - Civil Disorder, NMR'd 2 turns in a row
Sitter - Looking after another players account/games for a while
SRG - Special Rules Game
RR - Reliability Rating
WTA - Winner Takes All
PPSC - Points Per Supply Center
EoG - End of Game (report): used as a title for comments from the players on the game after it has finished.
SC - Supply Center
HP - Home Page
PM - Private message
MP= Missed Phase
dmz - Demilitarized zone
NAP - Non-aggression pact
HSC - Home Supply Center
LOL - Laughing Out Loud
ALL HOLDers - a player who only enters holds, no movement or support
Anon = an anonymous game
Non-Anon = not an anonymous game
RLgroup - you know someone in Real Life, you should let the mods know that you know other people already on the site.
Mods - Moderators who solve problems that you may have - usually contacted via the Mods Forum.
ty - thank you
IIRC - If I remember correctly
FYI - For Your Information
TILER - a player who deliberately NMRs or enters bad moves in order to try to get the game drawn or canceled.
FTW - For The Win

Just adding these as I've seen people using them recently:
GG - Good Game
GF - Good Fight

GB - Gunboat

atm - At The Moment...

No we don't share bank accounts here - it doesn't mean Automatic Teller Machine...