skeleton in the closet, the

skeleton(s) in the closet

a hidden and shocking secret. You can ask anyone about how reliable I am. I don't mind. I don't have any skeletons in the closet. My uncle was in jail for a day once. That's our family's skeleton in the closet.
See also: closet, skeleton
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

skeleton in the closet

A shameful secret, as in Both her parents were alcoholics; that was the skeleton in her closet. This metaphoric term alludes to a murder victim long concealed in a closet, possibly based on some true incident that is now forgotten. [Early 1800s]
See also: closet, skeleton
The American Heritage® Dictionary of Idioms by Christine Ammer.

skeleton in the closet, the

A shameful secret. This term likens a family secret to a murder victim hidden away in a closet or cupboard. If it ever was based on such an incident, the history has been lost. In any event, the metaphor became current in the early nineteenth century. Thackeray used it in several novels, as did Dickens, George Meredith, and other nineteenth-century British writers, and it remains current.
See also: skeleton
The Dictionary of Clichés by Christine Ammer

skeleton in the closet

A hidden shame. As if hiding a murder victim or another object that would cause great distress to the hider if found, to have a skeleton in the closet is to have a secret of any sort that you don't want revealed.
See also: closet, skeleton
Endangered Phrases by Steven D. Price
See also:
  • don't ask me
  • don't ask me!
  • (I) don't mind if I do
  • (someone's) secret is safe with (one)
  • don't get me wrong
  • don't beat a dead horse
  • all in (one's) head
  • come it
  • come it (with one)