Question

in_the_loop_624 to be harmlessly crazy Compare to: bats in (one’s) belfry; out to lunch; off (one’s) rocker

Accepted Answer

SCREW LOOSE/LOOSE SCREW, HAVE A Sometimes Mr. Simpson talks to himself, and sometimes he imagines that he sees creatures from outer space. I think he has a screw loose.The old lady on the bench will tell you the story of her life if you give her a chance. I imagine she’s just lonely or she has a loose screw somewhere.

Id	in_the_loop_624
Idiom	SCREW LOOSE/LOOSE SCREW, HAVE A
Definition	to be harmlessly crazy
Examples	Sometimes Mr. Simpson talks to himself, and sometimes he imagines that he sees creatures from outer space. I think he has a screw loose. The old lady on the bench will tell you the story of her life if you give her a chance. I imagine she’s just lonely or she has a loose screw somewhere.
Cross-Refs	Compare to: bats in (one’s) belfry; out to lunch; off (one’s) rocker

Screw I Loose One’s Loop Loose/Loose Harmlessly Crazy