have bats in the belfry(redirected from bellfry)
have bats in the belfry
To be crazy; to act, think, or behave in a foolish or nonsensical manner. Tommy must have bats in the 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 might have bats in the belfry.
have bats in the belfryor
have bats in your belfryOLD-FASHIONED
If someone has bats in the belfry they are crazy. Don't say that to anyone else or they'll think you've got bats in the belfry! Note: The belfry is the top part of a church tower where the bells are kept, and bats resting there would fly about wildly when disturbed by the bells being rung. In this expression, the belfry represents the person's head.