In the personal ads that I have seen, LOS means Lost or Stolen.
Androgynous
For sex :)
Long Term RelationshipLTR in personal ads means long term relationship.
professional
water sports
Bareback, or no condom
OHAC mean in Relationship
In Search Of
friends with benefits.
Pay to play
SBW stands for the Systems Biology Workbench. With SBW, applications are able to communicate with a simple network protocol when they may be running on separate computers.