HWP means "Height weight proportional." It's an acronym often used in personal ads meaning "not overweight."
height weight proportionate
hwp means height weight proportional. you see this in personal adds.
In personal ads on Craigslist, HWP usually stands for Height Weight Proportional. It designates a person who is more or less of "average" body type - being of neither extremes (neither slender nor obese).
Height-Weight Proportionate. They don't want any really skinny people or any overweight people.
In the personal ads that I have seen, LOS means Lost or Stolen.
Androgynous
For sex :)
Height (and) Weight Proportionate
Long Term RelationshipLTR in personal ads means long term relationship.
professional
water sports
Bareback, or no condom