He's been acting a bit off his rocker since the accident
After the news, she seemed completely off her rocker
Don't worry about what he said; he's completely off his rocker
I think the heat has made him a little off his rocker
The way he talks about conspiracies, he must be off his rocker
If you think I'm going to lend you money again, you're off your rocker
She was so stressed, she went a bit off her rocker
He's been forgetting things lately, people are saying he's off his rocker
You want to quit your job and travel the world with no money? You're off your rocker!
The constant noise from the construction site made me feel a bit off my rocker
You are going to paint the house purple? Are you off your rocker?
Yes! It will be unique and vibrant, don't you think?
I think you're completely out of your mind for that idea.
He's completely off his rocker with that idea
He has truly lost his mind with that idea
That idea is utterly insane; he's gone mad