The name for any male who wears flat billed caps at any angle other than forward, wears his pants below his knees at all times, walks no less than two feet per minute due to his pants, listens to only rap, ignores the "g" at the end of every "-ing" verb, and instead uses the "g" to refer to almost every other male he knows (referring to girls as biotchezz).

the whale tail is the shape formed when a g-string rides up high over a womans trousers