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.
PC stands for personal computer
In the personal ads that I have seen, LOS means Lost or Stolen.
Long Term RelationshipLTR in personal ads means long term relationship.
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.
"short Message service" in other words text. It's not exclusive to personal ads.
Androgynous
SENCE OF HUMOUR
For sex :)
CD means "cross-dresser" in personal ads, especially on ads that deal with "casual encounters" and such.
yes. Yahoo! Personals is exactly the place for personal ads. You must be a registered member of Yahoo to place a personal ad. There are many classification categories in which to place your personal ad.