English Dictionary

concrete-head

名詞

口語 ユーモラス文体 俗語

(colloquial, humorous) A stupid person; sometimes one who is being stubborn to the point of stupidity. / (management, slang) A person who is stuck in their ways; one who is unwilling to try new ideas.

日本語の意味

（口語的、ユーモラス）愚かで、固執しすぎてばかげた行動をとる人 / （経営・スラング）新しいアイデアを試そうとせず、従来の方法に固執する頑固な人

Don't be such a concrete-head — read the instructions before you start.

そんな大ばか者にならないで、始める前に説明を読んでください。

意味（1）

(colloquial, humorous) A stupid person; sometimes one who is being stubborn to the point of stupidity.

As far as I can determine, I am a bleeding heart liberal. Personally I think that's way preferable over a concrete-head conservative, if given a choice between the two.

意味（2）

(management, slang) A person who is stuck in their ways; one who is unwilling to try new ideas.

concrete-heads （ plural ）