Understanding the Idiom Clam Up: Origin and Meaning Explained
“Clam up” slips into conversations when someone suddenly stops talking, but its vivid marine metaphor hides centuries of linguistic drift. Understanding how a shellfish became shorthand for silence sharpens both your word choice and your ear for idiomatic nuance. Etymology Unsealed: From Mollusk to Metaphor The phrase first surfaced in American slang during the 1910s,…