ser más tonto que una piedra *

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• There’s a typo or formatting error
• A link doesn’t work
• Some important information is missing
• The definition is clearly inaccurate or misleading

🚫 Not a reason to report:

• You’ve never heard the word or phrase before
• It’s used differently in your area
• You prefer a different spelling or variation

If you’re a native speaker and want to say whether you’ve heard of this expression, you can do that here.