I see spells of these threads from time to time so I wondered if it would be helpful to make a master list! These are what I could think of off the top of my head but feel free to add on. I know I’ll forget a few!
Girl/Boy Name Forums, Name Advice, and General Name Discussion
DH = dear husband
DW = dear wife
SO = significant other
OH = other half
DD = dear daughter
DS = dear son
LO = little one(s)
MIL = mother-in-law
FIL = father-in-law
SIL = sister-in-law
BIL = brother-in-law
FTM = female-to-male
AFAB = assigned female at birth
MTF = male-to-female
AMAB = assigned male at birth
FTN = female to non-binary
MTN = male to non-binary
NB = nonbinary
FN = first name
MN = middle name
NN = nickname
GP = guilty pleasure
NOTD = name of the day
[name_u]Baby[/name_u] Name Games
CAF = create a family
DF = dear fiancé/fiancée
DSD = dear step-daughter
DSS = dear step-son
DAD = dear adopted daughter
DAS = dear adopted son
NB = newborn
DC = dear child
NBC = non-binary child
NSRN = names searched right now (referring to an old Nameberry feature that showed current name searches on the database on a bar at the top of the screen. Unfortunately, it’s no longer active)
BNG = baby name game
DGM = dear grandmother
DGF = dear grandfather or dear girlfriend
DBF = dear boyfriend
NTB = name the baby(ies)
nee / née = French word for “born”, usually indicating one’s maiden name. Ex. Hailey Bieber (née Baldwin)
Writer’s Forum
MC = main character
OC = original character (often in a fanfic)
WIP = work in progress
NaNo / NaNoWriMo = National [name_u]Novel[/name_u] Writing Month (a challenge set by an organization of the same name that encourages writers to write 50,000 words in a month, [name_u]November[/name_u])
Parentberries Forum
TTC = trying to conceive
TWW = two-week wait
NTNP = not trying, not preventing
BFP = big fat positive
BFN = big fat negative
CD = cycle day
OPK = ovulation predictor kit
AF = Aunt [name_f]Flo[/name_f]/period
DPO = days past ovulation
FTM = first-time mom
SAHM = stay-at-home mom
BD = baby dance
SMC or SMBC = single mother by choice
DFD = dear foster daughter
DFS = dear foster son
In General
NB = Nameberry
PM = private message
DM = direct message (same thing as a PM)
UC = user card
PFP = profile pic
OP = original poster
PP = previous poster(s)
GMV = got my vote
NMS = not my style
NMSAA = not my style at all
ETA = edited to add
PN = pronounced
TIA = thanks in advance
IMO = in my opinion