AFAIK: As Far As I Know
AtE: Appeal to Emotion
BaM: "Bad at Mafia", both a playstyle and a ruleset
BG: Bad Guy: an anti-town player.
BWCS: Best Worst Case Scenario: a policy often taken when there is a claim of a vanilla townie (specifically arguing that lynching a townie who might be scum is the best worst case scenario).
C9: The old setup for Newbie games played on the Forum. See C9 for details (including the origin of the name).
EBWOP or EBWODP: Edit By Way Of (Double) Post. Because actual editing of posts in mafia games is forbidden on MafiaScum, the only way to "edit" a post which contains an error is to make another post containing the correction.
F11: The current setup for Newbie Games played on the Forum. Click here for details.
GD: The General Discussion Forum.
GG: (1) Good Guy; a pro-town player. (2) Good Game, used by way of congratulation.
GL: The Grey Labyrinth puzzle forum.
IC: Inexperience Challenged.
IIoA: Information instead of Analysis. (Scum tell?)
IME: In My Experience
IoA: Information over Analysis. (Scum tell?)
Iso: To read in Isolation. You can view one person's posts "in Isolation" by using the "Display posts from previous" drop down boxes at the bottom of every page.
IwA: Information with Analysis. (Town tell?)
IGMEOY: I've Got My Eye On You.
ISTR: I Seem To Remember...
FOS: Finger of Suspicion. Used to indicate that you find someone suspicious but are not going to vote them, for whatever reason (often because you are voting for someone even more suspicious). Cf. HOS, the somewhat more dramatic Hand of Suspicion (very rare). Also FomS, the lesser Finger of minor Suspicion.
L-1: Lynch minus one, The second-to-last vote before a lynch is obtained.
L-#: Lynch - number, The number indicates how many votes a player needs to be lynched. Eg, in a 9 player game, a player with 3 votes on him is at L-2 (5-3).
LYLO: Lynch-Or-Lose = A stage in the game where the town must lynch scum or they will lose the game
MYLO: Mislynch and Lose = A stage in the game where the town can no-lynch safely. However, should they mislynch instead, it is likely one of the town will die the next night, resulting in a scum victory.
NK: (1) Night Kill. (2) No Kill.
OMGUS: Oh My God! You Suck!. Usually used in the context of an 'OMGUS vote' - i.e. a vote for someone purely on the basis that they are voting for you.
PBPA: Point By Point Analysis: a detailed analysis of (usually one player's) posts.
PE#1 or PE1: Public Enemy Number One (a player's lead suspect).
PL: Policy lynch.
PM: Private Message.
PoE: Process of Elimination.
PR: (1) Post Restriction. (2) Power Role.
QFT: Quoted for truth(ery). Said after a quotation to express agreement/approval.
RQS: Random Questioning Stage, an emerging alternative to the Random Voting Stage for starting a game of Mafia. This has one player posing either a survey to all players or a separate question to each player.
RTFT and RTFD: Read the f*cking thread. Read the f*cking directions. Found often in games with lots of noobs.
RVS: Random Voting Stage. Most Mafia games start with a phase wherein people vote for silly reasons, until someone slips up or makes a legitimate accusation.
SE: Semi-experienced
sus(s): Suspicious.
SK: Serial Killer (but see also SaberKitty).
TWSOGMM: The Whole Sort Of General Mish Mash forum.
V/LA: Vacation/Limited Access thread, where players should post if they won't be checking MafiaScum.net for more than a few days.
VI: Village Idiot. Not to be confused with the player Vi.
VT: Vanilla Townie.
WIFOM: Wine in Front of Me.
YMMV: Your Mileage May Vary -- Generally, your interpretation may be different
Assunto: ABREVIATURAS 
Seg Fev 14, 2011 4:26 pm