have shit for brains

(American & Australian taboo)

to be very stupid What are you talking about, Martha? You've got shit for brains.

tv. to be exceedingly stupid. (Usually objectionable.) You have shit for brains if you think you can get away with it.

Name	Pronounced	Usage
StanisŁAw	stah-NEE-swahf	Polish
Kalypso	-	Greek Mythology
Dulcie	DUL-see	English
Harden	['hɑ:dn]
Almas	-	Arabic
Iafeth	-	Biblical Latin