[Ironclad]

Geoduck ping. (For the uninitiated, that's pronounced, "gooey duck." No, I don't know why.)

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It was a typographical error in a mid-1800s dictionary. The word reported to the dictionary was spelled "goeduck," which was one of several accepted spellings, but the "o" and the "e" were transposed, and subsequent dictionaries picked-up the error.

Additional info re 'ducks: I have heard the word was a Nisqually phrase meaning, literally, "dig deep." Also, FYI, geoduck digs are great chick magnets. Women love to see men working like hell for food in the mud, and large numbers of them will voluntarily attend a dig. Although, in my personal experience, none of them will go after the 'duck. That's strictly a man's job.

[Publius]

When you buy geoducks at the Pike Place Market, the clerk lowers the weight of the clam by removing the excess water. He does this by stroking and squeezing the siphon until it expels all its held water.

For some reason, women watching this ritual turn bright red.