Meaning that a child copies their parents. Usually if the thing the child copies is a bad thing. eg; drugs, alcohol, criminal offences, adultery.

an irish saying.
Susan: Did you hear that Jane cheated on her husband with another fella?

Margaret: Aint that strange? Her mother did the exact same thing 10 years ago.

Susan: Well, you know what they say. Black cat, black kitten.
by gee;x. June 1, 2011
Get the Black Cat, Black Kitten. mug.