be (as) nutty as a fruitcake
(redirected from are as nutty as a fruitcake)be (as) nutty as a fruitcake
slang To be crazy 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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.