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Here are all the facts, experiences, techniques and media/links we have on:

AdSpeak

In Personal Ads (in English Speaking countries) there is a completely different vocabulary.   It's partially because we create cute euphamisms (BBW sounds better than Fat Broad-- do not even hate on me for this!), and it's partially to create phrases that are more societally acceptable (accident prone doesn't get flagged as much as "wants someone to piss/poop in their pants").  And many times it's about space.  Personal ads started out in newspapers which charged by the word or character (or even had limits on the number of words/characters you could use.  It's faster to say D|DDF|SWM than Divorced, drug/disease free| straight white male.

AD Speak: Personals

420 - Four-Twenty. Slang term for marijuana use, most commonly encountered in the US West Coast area.
69 - "sixty-nine" -- simultaneous mutual oral sex ("68" refers to "you do me, I'll owe you one")
A - Asian, as in SAF (Single Asian Female)
Accident Prone - Shares a fetish in peeing, particularly in clothing
B - Black, as in DBF (Divorced Black Female)
BBW - Big Beautiful Woman     plus-size and happy with herself
B&D - Bondage and Domination / Bondage and Dicipline
BDSM - Bondage, Domination, Sadism, Mascoshicm
Bi - Bisexual
C - Christian, as in SWCM (Single White Christian Male)
CD or C/D - Crossdresser
CPL - Couple
D - Divorced, as in DHF (Divorced Hispanic Female)
D&S - Dominance and Submission
DDF - Drug and Disease Free
F - Female, as in SWF (Single White Female)
Fet - Fetish
FtM - Female-to-Male Transgendered
FWB - "Friends With Benefits"
G - Gay, as in SBGM (Single Black Gay Male)
H - Hispanic, as in DHCM (Divorced Hispanic Christian Male)
HWP - Height/Weight Proportionate
IRL - In Real Life
ISO - In Search Of, as in SWM ISO SWF
J - Jewish, as in SJM (Single Jewish Male)
K - Kids
L - Lesbian
LDR - Long-Distance Relationship
LS - Legally Separated
LTR - Long Term Relationship / Life Time Relationship
M - Male
MBA - Married But Available /
   Masters in Business Administration
MtF - Male-to-Female transgendered
ND, N/D - Non-Drinker / No Drugs
NK, N/K - No Kids
NS, N/S - Non-Smoker
NSA - No Strings Attached
S - Single (never married)
S&M, SM, S/M - Sado-Masochism
TDH - Tall, Dark, and Handsome
TG - TransGendered
TS - TransSexual
TV - TransVestite
VGL - Very Good Looking
W - White (in second position, as in SWM (Single White Male) or
    - Widowed (in first position, as in WHF (Widowed Hispanic Female)
WAA - Will Answer All
WE, W/E - Well Endowed
WLTM - Would Like To Meet
WS, W/S - "Water Sports" (slang term indicating urination fetish)
WTR - Willing To Relocate