be as nutty as a fruitcake

(British & Australian informal)

to be crazy 'Isn't she slightly strange, your aunt? 'Oh, she's as nutty as a fruitcake.'

Name	Pronounced	Usage
Yeager	['jeigə]
Ainoa	-	Spanish
Viator	-	Late Roman
Ashby	['æʃbi]
Adrijan	-	Croatian, Macedonian
Ulisses	-	Portuguese