The story
From the prepositional phrase off the cuff.
Etymology from Wiktionary, CC BY-SA 4.0.
off-the-cuff
Today it means: Extemporaneous; without prior preparation; spontaneous; impromptu. Full definition →
Today it means: Extemporaneous; without prior preparation; spontaneous; impromptu. Full definition →
From the prepositional phrase off the cuff.
Etymology from Wiktionary, CC BY-SA 4.0.