Man for Woman (a man seeking a woman)
In the personal ads that I have seen, LOS means Lost or Stolen.
Androgynous
For sex :)
It's internet shorthand for "man for woman."
Long Term RelationshipLTR in personal ads means long term relationship.
OHAC mean in Relationship
friends with benefits.
Bareback, or no condom
water sports
In Search Of
professional
Pay to play