Meanings
Uncertain; the term monkey’s uncle appears in 19th-century works and may allude to early ideas about what is now called the theory of evolution.[1] The term may then have gained more currency after the widely publicized 1925 Scopes Trial in Tennessee, United States, in which a high-school teacher was found guilty of having violated a law prohibiting the teaching of human evolution in a state-funded school.
How to pronounce "I'll be a monkey's uncle":
AU
Often preceded by well: expressing complete surprise or disbelief.
Example: "Well I’ll be a monkey's uncle! I would never have thought that tourists would go into space!"
Example Sentences
1
I never thought she would win the competition, but I'll be a monkey's uncle if she didn't come in first place.
2
If he manages to fix that broken car, I'll be a monkey's uncle.
3
You think they'll actually agree to lower the prices? Well, I'll be a monkey's uncle if they do!
4
If she can finish that project on time, I'll be a monkey's uncle.
5
I'll be a monkey's uncle if he can eat that entire pizza by himself.
