have nothing between the/ ears

have nothing between the/your ears

(informal)

to be stupid He's very good-looking but has absolutely nothing between the ears, I'm afraid.

Name	Pronounced	Usage
JoÃO	ZHWOWN, zhoo-OWN	Portuguese
Aliyyah	-	Arabic
Emigdio	-	Spanish
Isabella	ee-zah-BEL-lah (Italian), iz-ə-BEL-ə (English)	Italian, German, English, Swedish, Norwegian, Danish, Dutch, Romanian
Young-Sook	yung-sook	Korean
Danica	-	Serbian, Croatian, Slovene, Slovak, Czech, Macedonian, English