The origin of the idiom "you can say that again" is not precisely documented, as it is a common and informal expression used to affirm strong agreement with something that has just been said. It has been in common use for many years as a way to affirm and emphasize agreement.

What is the origin of the idiom "you can say that again" and when to use it?

Définition et signification de « you can say that again » en anglais

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