For me, one to one. If the girl wants to meet more people, she can, but I rather not be one of them. I don't think that makes her a slut or hoar that unfortunately tags women almost too easily.
The only thing I can do about this unfair perception is to not say those things myself, and encourage those around me not to.

But, one interesting thing that I've personally seen. Most of the people who label other females are girls that I know. I've rarely heard a guy use those words.