have got bats in (one's) belfry(redirected from has got bats in their belfry)
have got bats in (one's) belfry
To be crazy; to act, think, or behave in a foolish or nonsensical manner. Tommy has got bats in his belfry if he thinks he can convince our mother to let him get a tattoo for his birthday. There's an old lady who stands on the corner yelling at strangers all day. I think she's got bats in her belfry.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.