Jetty translates to underwear in colloquial Tamil language.
Intended usage - Bathing in your undergarments is prohibited.
Don't have a bathe after drinking Liqur (liquor) :)
Spotted in a small village in TN.
Thiruparappu is a panchayat town in Kanniyakumari district in the Indian state of Tamil Nadu. It is known for its waterfalls, and for an ancient Shiva temple, which is one of the twelve temples visited in the annual Shivalaya ottam pilgrimage.