Geoduck (pronounced “gooey-duck”) is a clam with an oversized siphon (some people call it the neck) that bears an unfortunate resemblance to a certain part of the male anatomy; the siphon and ...

But the real answer is even funnier. Geoduck, pronounced "gooey duck," just to make it even more unusual, is a huge, phallic-shaped clam found in Alaska and along the West Coast of the United States.