(n) a lady who enjoys frolicking in the ocean, or any water body, in the form of swimming, snorkelling and diving. Typically wears her long hair braided with seaweed tangled in it. Other characteristics include sandy and salty ears, surf nose and a full smile due to immersing herself in the wonders of the ocean floor.
1: "That girl always goes to the beach but I never see her on the surf."
2: "That is because she is a mermaid"