I'm new to the site but saw a post: Site Acronyms/Abbreviations - What they are, and what they mean. I found it under the Introductions section. I'll try to copy/paste:
LO - Little One
DS - Darling/Dear Son
DD - Darling/Dear Daughter
DH - Darling/Dear Hubby
DP - Darling/Dear Partner
DW - Darling/Dear Wife
DSD - Darling/Dear Step Daughter
DSS - Darling/Dear Step Son
FH - Future Hubby/FW - Future Wife
MIL - Mother-in-Law
FIL - Father-in-Law
SIL - Sister-in-Law
BIL - Brother-in-Law
EBF - Exculsively Breast Fed
FF - Formula Fed
DF - Dream Feed
EBM - Expressed Breast Milk
CIO - Cry It Out
CC - Controlled Crying
PU/PD - Pick Up/Put Down
WI/WO - Walk In/Walk Out
W2S - Wake To Sleep
NW - Night Waking
EW - Early Waking
PPD/PND - Post Partum/Natal Depression
SA - Separation Anxiety
AP- Accidental Parenting
4S's - Set the stage, Swaddle, Sit, Shh/pat
SSTN - Sleeping Through the Night
OT- Overtired (could also be in reference to an Occupational Therapist)
UT - Undertired
OS - Overstimulated
GW - Gradual Withdrawl
HTTJ - Holding Through The Jolts
APOP - Accidental Parenting On Purpose
MOTNF - Middle Of The Night Feed
BLW - Baby Led Weaning
IMHO-In My Humble/Honest Opinion
LOL - Lots of Laughs or Laugh out loud
ROFL-Rolling on the floor laughing
ROFLMAO - Rolling On Floor Laughing My A$$ Off
TMI - Too Much Information
FWIW - For What It's Worth
KWIM - Know What I Mean?
TIA - Thanks In Advance
ITA - I Totally Agree
HTH - Hope That Helps
BTW - By The Way
NAK - Nursing At Keyboard
PIA/PITA - Pain In the A$$
TBH - To Be Honest
PP - Previous Poster
MIA - Missing in Action
FYI - For Your Information
HV - Health Visitor
ASL/BSL - American/British Sign Language
In the Pregnancy forums you are likely to come across.
TTC - Trying To Concieve
BD - Baby Dancing (Intercourse)
CM - Cervical Mucous
AF - Aunt Flo (Menstruation)
BFP/BFN - Big Fat Positive, Big Fat Negative
CD ## - Cycle Day number
LMP - Last Menstrual Period
WW - Week wait, usually in reference to the two week wait following ovulation
DPO - Days Past Ovulation
EWCM - Egg White Cervical Mucous
FAM- Fertility Awareness Method
OV - Ovulation
BBT - Basal Body Temperature
POAS - Pee On A Stick
VBAC - Vaginal Birth After Caesarean
EDD - Estimated Due Date
A very comprehensive list of common text abbreviations can also be found by following this link;
http://www.webopedia.com/quick_ref/textmessageabbreviations.asp