Skeleton in the closet

Meaning

This refers to a secret or embarrassing fact about someone that they keep hidden from the world. It implies a hidden shame that could cause damage if it were ever revealed.

Suspicious, dramatic

Used in a sentence

• Every family has at least one skeleton in the closet.
• I think he is afraid to run for office because of some old skeleton in his closet.
• Stop acting so perfect because we all have skeletons in our closets.