present participle of have bats in one's belfry

Alternative form of can't live with them, can't live without them

(idiomatic) To begin an enterprise or recover from a setback without any outside help; to succeed only by one's own efforts or abilities.

(figuratively) to reveal one's secrets to the public.

(idiomatic) To be heard but not attended to, when a person fails to pay attention.

(idiomatic) born rich, or into a wealthy family

(idiomatic) To show oneself in the best or most positive way possible; to make a favorable impression.

(computing, slang) To use products or services one is selling internally, in order to understand their limitations.

(slang) Not mentally sound; insane. / (idiomatic) Stupid.

(idiomatic) To misstep or err.