skeletons in the/someone's closet

: a usually rigid supportive or protective structure or framework of an organism

: something reduced to its minimum form or essential parts

: an emaciated person or animal

: of, consisting of, or resembling a skeleton

: some person : somebody

: an apartment or small room for privacy

: a monarch's or official's private chamber

: a cabinet or recess for especially china, household utensils, or clothing

: to shut up in or as if in a closet

: to take into a closet for a secret interview

: closely private

: working in or suited to the closet as the place of seclusion or study : theoretical

: being so in private