A co-worker asks you if you want to see his tan lines and he takes off his ring.

You see a green capital letter 'N' bumper sticker on their car. The capital green N is the symbol for the Naturist Society.

They've got freckles... everywhere.

Early in the summer a friend has returned from the beach, she can't sit down, and she has her bra in her pocket.

You invite someone to go swimming and they have to go out and buy a bathing suit.

12-foot fences around the back yard.

Even though you live on the coast, your friends drive four hours each weekend to go to the beach because 'it's a nice beach'.

At the entrance to their driveway there's a huge sign saying: 'Warning: Beyond this point you may encounter nude sunbathers.'