Question of the Day #135

"Trump renews attack on 'crazy' and 'dumb as a rock' MSNBC hosts"
From the headline of this article at The Hill.

上記の文で、dumb as a rock の意味は？
In the sentence above, what does "dumb as a rock" mean?

答えは、コメントに書いてください。
Write your answer in the Comments.

明日、ここに答えを書きます。
I will add the answer and other remarks here tomorrow.

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解答

意味： 英辞郎によると、


〈侮蔑的〉とてつもないばかで

また、類似した表現で、dumb as a box of rocksもある。

Answer

According to Urban Dictionary:

Terminally stupid.

Example

• The perp was dumb as a rock, and confessed in five minutes.