well, I'll be a monkey's uncle
An expression of astonishment.
Definitions
Used to convey great surprise or disbelief.
well, I'll be a monkey's uncle In A Sentence
Origin & Usage
American idiom, early 1900s, arising in jest around evolution debates; a set phrase of amazement.
People Also Ask
What does "well, I'll be a monkey's uncle" mean?
It's an exclamation of great surprise or disbelief, similar to "I can't believe it."
When do people say it?
You say it on hearing something astonishing or unexpected.
Where does the phrase come from?
It's an early-1900s American idiom that arose in jest around debates over evolution.
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