RichThesaurus
deranged
vs
nutty as fruitcake
deranged
adj
Insane.
Malfunctioning or inoperative.
Disturbed or upset, especially mentally.
nutty as fruitcake
How often have the words
deranged
and
nutty as fruitcake
occurred in a corpus of books?
(source:
Google Ngram Viewer
)