I don't have any skeletons in my closet.

There's a lot of skeletons in my closet!

He doesn't have any skeletons in his closet. He was young and naive.

There's a lot of skeletons in my closet, but I know what they're wearing. I'm not gonna act all ashamed of it.

They both look like skeletons.

Everybody has a few skeletons.