Etymology Journal ยท D
Dumber than a box of rocks
Meaning
- Used to describe someone who is not very bright or perhaps lacking common sense. It is a colorful way to say someone is acting foolishly.
Sassy, blunt
Used in a sentence
- He tried to drive his car through the lake and he is dumber than a box of rocks.
- I tried to explain the plan, but he is dumber than a box of rocks.
- You would have to be dumber than a box of rocks to believe that scam.
The backstory
This is a folksy American idiom. The imagery is simple because rocks are inanimate and obviously incapable of thought or intelligence.
Heard in
Midwest, The South
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