have rocks in head

have rocks in one's head

Fig. to be silly or crazy. John is a real nut. He has rocks in his head. I don't have rocks in my head—I'm just different.

Name	Pronounced	Usage
Pheobe	FEE-bee	English
Kelsi	KEL-see	English (Modern)
Petri	PET-ree (Finnish)	Finnish, Basque
Isabella	ee-zah-BEL-lah (Italian), iz-ə-BEL-ə (English)	Italian, German, English, Swedish, Norwegian, Danish, Dutch, Romanian
Madhukar	-	Indian, Hindi, Marathi
Renate	re-NAH-tə (German), rə-NAH-tə (Dutch)	German, Dutch, Norwegian