He's off his rocker.
She's nuts.
He's suffering from a psychological disorder.
what are phrases that mean someone has gone crazy:
My first example:
See flew way over the cucoos nest
2 answers
Has she lost her mind?
She makes Norman Bates cry for his mother. (this is from the movie psycho)
He needs a checkup from the neck up.
Did your sister lose her marbles?
I was as nutty as a fruitcake.
My teacher is not the sharpest pencil in the box.
Frankly, mom is out to lunch.
Does she have screws loose?
He is round the bend, usually.
On his best days he is totally confused.
When his head was assembled, they forgot the final screw.
As mad as a March hare.
She makes Norman Bates cry for his mother. (this is from the movie psycho)
He needs a checkup from the neck up.
Did your sister lose her marbles?
I was as nutty as a fruitcake.
My teacher is not the sharpest pencil in the box.
Frankly, mom is out to lunch.
Does she have screws loose?
He is round the bend, usually.
On his best days he is totally confused.
When his head was assembled, they forgot the final screw.
As mad as a March hare.