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
Sylvie	seel-VEE	French
Case	[keis]
Amabilia	-	Late Roman
Gillian	['dʒiliən]
Lorna	LAWR-nə	English
Zenobia	zə-NO-bee-ə (English)	Ancient Greek