Non-sufficient Funds - Metaphorical Use

Metaphorical Use

Martin Luther King used the concept as a metaphor in his speech I have a dream. He compared the declaration of independence to a bad cheque.

Similarly, the phrase "Don't let your mouth write a cheque your ass can't cash." (alternatively, "cheques" or "body" (instead of "ass")) is used to mean "Don't make brash boasts you can't back up", and originates in Black English, being attested since the 1960s, though it is today found more generally, as in the 1993 movie Dazed and Confused.

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