off-the-cuff

American  

[awf-thuh-kuhf, of-] / ˈɔf ðəˈkʌf, ˈɒf- /

adjective

1. with little or no preparation; extemporaneous; impromptu.

   a speaker with a good off-the-cuff delivery.

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off the cuff Idioms  

1. Impromptu, extemporaneous, as in His speech was entirely off the cuff. This term supposedly alludes to the practice of speakers making last-minute notes on the cuff of a shirtsleeve. [1930s]

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Etymology

Origin of off-the-cuff

First recorded in 1940–45

Example Sentences

Carson’s amazing comedic monologues and silly antics gave viewers humor without being annoying, his off-the-cuff quips were hilarious, and interviews with interesting guests sparked laughter.

From The Wall Street Journal

The company argued that the pair were speaking “off-the-cuff” and that their conversation amounted to “banter not… facts of consequence.”

From Salon

With most of the decisions already made, the Two Sessions are mainly a talking shop with little room for spontaneity or off-the-cuff comments.

From Barron's

Besides, there’s ample evidence that unvarnished, off-the-cuff statements can hurt musicians more than they help.

From Salon

Delivering off-the-cuff banter in reaction to news of the moment — a requirement for morning TV news — was not his strong suit.

From Los Angeles Times