be (as) nutty as a fruitcake

slang To be crazy and/or wacky. Usually used humorously. Don't listen to a word he says, he's as nutty as a fruitcake! You're nutty as a fruitcake if you think that plan will work.

Common Names:

Name	Pronounced	Usage
Miia	MEE:-ah	Finnish
Gianna	JAHN-nah (Italian), YAH-nah (Greek)	Italian, Greek
DorotĖJa	-	Lithuanian
Petteri	PET-te-ree	Finnish
Sini	SEE-nee	Finnish
DuŠIca	-	Serbian