SWF = Single White female (or woman)
SBF = Single Black female (or woman)
SAAF = Single African-American Female (or woman)
SAF = Single Asian female (or woman)
SHF = Single Hispanic Female (or woman)
ISO = In search of
NSA = No strings attached (casual sex)
FWB = Friends with benefits (casual sex)
BBW = Big "Beautiful" Woman (obese female)
LTR = Long Term Relationship (marriage material)
IR = Interracial Relationship
SMTH = Something
TTYL = Talk to you later
DD Free = Drug and disease free
666 = The "Perfect Man"; over 6 feet tall, over 6 inch penis, over 6-figure income (or at least $60,000 yearly salary).
OHAC mean in Relationship
NSA = No strings attached AA = African American
Craigslist uses mw4mw, for man and woman on man and woman, but other sites may use different abbreviations.
In the personal ads that I have seen, LOS means Lost or Stolen.
I believe that you mean abbreviations and acronyms such as F (female), M (male), BBW (big beautiful woman), Bi (bisexual), LDR (long distance relationship), etc. See the link below for a guide.
Long Term RelationshipLTR in personal ads means long term relationship.
"short Message service" in other words text. It's not exclusive to personal ads.
CD means "cross-dresser" in personal ads, especially on ads that deal with "casual encounters" and such.
Androgynous
SENCE OF HUMOUR
For sex :)
Abbreviations in housing ads are typically created by condensing longer phrases or terms to save space and convey information quickly. Common practices include using initials for widely recognized features (like "BR" for bedrooms or "BA" for bathrooms) and omitting vowels in multi-word terms (like "A/C" for air conditioning). These abbreviations help potential renters or buyers quickly grasp the property's key features without lengthy descriptions.