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
Sieghard	ZEEK-hahrt	German
Milogost	-	Medieval Slavic
Kenton	KEN-tən	English
Mitzi	MIT-see	German
Coco	KO-ko	Various
Zenia	['zi:niə]