Meaning of the word "speak off the cuff" in English

What does "speak off the cuff" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

speak off the cuff

US /spiːk ɔːf ðə kʌf/
UK /spiːk ɒf ðə kʌf/

Idiom

to speak without preparation or prior thought

Example:
The politician had to speak off the cuff when the teleprompter failed.
I didn't prepare anything, so I'll just have to speak off the cuff.