nutty as a fruitcake (to be as) [exp]

Meaning:

• used to say that someone is completely crazy.

Examples:

1. He is driving at the velocity of 220 kilometers per second. He is as nutty as a fruitcake.
2. Hey! Why are you throwing the trashes away in the street through the window? You are as nutty as a fruitcake.
3. My neighbor believes aliens live in her backyard. She’s as nutty as a fruitcake.
4. He started dancing in the middle of the office; completely as nutty as a fruitcake.
5. The character was written to be as nutty as a fruitcake, adding comic relief to the story.
6. You’d have to be as nutty as a fruitcake to swim in that freezing lake!
7. After staying up all night working, he looked as nutty as a fruitcake.
8. That conspiracy theory is as nutty as a fruitcake.
9. Aunt Maggie wears mismatched shoes and sings to her plants; she’s as nutty as a fruitcake.