noun
foolish face; stupid look
Describes a facial expression that looks unintelligent, silly, or vacant. Often used in casual or derogatory contexts.
彼はいつも馬鹿面をしている。
He always has a stupid look on his face.
そんな馬鹿面で見ないでよ。
Don't look at me with that foolish face.
Compound of 馬鹿 (fool, idiot) and 面 (face, expression). The reading づら is a voiced variant of つら (面) when combined.