"Happy as a clam" is one of those expressions that makes you wonder: Does this phrase come from an actual measurement of the happiness of clams?
Unfortunately, no. It doesnât seem that anyone has ever attempted to measure clams' moods. The phrase most likely started as the longer phrase âhappy as a clam at high tide,â and was popularized in the early 19th century, particularly in the northeastern United States. Clams can only be readily dug up by humans when the tide is low; in high water, theyâre almost impossible to find. Therefore, at high tide, clams are (theoretically) very happy that they wonât be dug up for some beachgoerâs meal.
Although this association conjures up ideas of safety and security, the modern saying is more about pure happiness than freedom from danger. Of course, most people today donât run much risk of being eaten by bigger creatures, but next time someone tells you that theyâre âhappy as a clam,â try not to remind them about low tide.
Erica Hersh is a graduate student in Health Communication at Tufts University. She's part of our College Weekend extravaganza .
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