Whale tail is the Y-shaped waistband of a thong when visible above the waistline of low-rise jeans.
Whale tail may also refer to:
Whale tail, the tail of a whale Whale's Tail Beach, a beach in Destin, Florida Whale's Tail Beach, a beach in Puntarenas, Costa Rica Whale's Tail Beach, a beach in Sandy Bay, Jamaica California specialty license plate Whale tail (automotive spoiler), particularly on the 1974 Porsche 911 Turbo Whaletail, a friction descender used in climbing Distal bifurcation of the anterior interventricular branch of left coronary artery
See also Reverence (sculpture), a sculpture also called Whale Tails created by Jim Sardonis Walvisstaarten, a sculpture at the end of the tracks near De Akkers metro station of the Rotterdam Metro