have rocks in (one's) head

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To be thoroughly stupid, crazy, absurd, incorrect, etc. You must have rocks in your head if you think the bank will approve you for another loan.

Name	Pronounced	Usage
Jeremiel	-	Biblical
Marceli	mahr-TSE-lee	Polish
Guenevere	-	Arthurian Romance
Kandake	-	Biblical, Biblical Greek
Draco	-	Ancient Greek (Latinized)
Shakura	-	Arabic