so, i felt really dumb not knowing what in the world some brides were talking about so i googled this:
BF - Boyfriend or Best Friend
BM - Bridesmaid or Best Man
BP - Bridal Party
BTW - By The Way
C&P - Copy and Paste
DD - Dirty Delete
DF - Dear Fiance
DH - Darling Husband
DW - Destination Wedding
E-ring - Engagement Ring
E-party - Engagement Party
FG - Flower Girl
FI - Fiance
FIL - Father-In-Law
FILs - Future In-Laws
FBIL - Future Brother-In-Law
FFIL - Future Father-In-Law
FMIL - Future Mother-In-Law
FSIL - Future Sister-In-Law
GF - Girlfriend
GM - Groomsmen
GTG - Get Together
HM - Honeymoon
HTH - Hope This Helps
IHO - In Honor Of
ILS - In-Laws
IMHO - In My Humble Opinion
IMNSHO - In My Not So Humble Opinion
JP - Justice of the Peace
LTBM - Living Together Before Marriage
MIL - Mother-In-Law
MOH - Maid/Matron of Honor
MUD - Made-Up Drama
NFT - No Further Text
NH - New Husband
NWR - Not Wedding Related
OOT - Out of Town
PIB - Pictures In Bio
PSA - Public Service Announcement
RB - Ring Bearer
RD - Rehearsal Dinner
RP - Repost
SAHM - Stay-At-Home Mom
SAHW - Stay-At-Home Wife
SAHD - Stay-At-Home Dad
STDs - Save-The-Date Cards
TIA - Thanks In Advance
TMI - Too Much Information
TY - Thank You
WP - Wedding Party