Drop the Hankerchief

The practice of victorian-era women of dropping their personal handkerchiefs before attractive men, in order to have them return it, thus giving him context and opportunity for conversation and potential romantic interaction, whilst still maintaining her plausible deniability.

"Dude, these dumb-arse country girls all just make eyes at me from a distance, then when I don't approach they get all butthurt.

Don't they know how to drop the Hankerchief"?