make (one's) bones

make (one's) bones

1. To kill someone in order to obtain membership in a criminal organization. Used in this way, the phrase is often associated with the Mafia. A: "Has Johnny Dukes made his bones yet?" B: "Not yet, he's still a low level guy."
2. To solidify one's reputation. He made his bones as a big city detective before joining our town's police force.
See also: bone, make
Farlex Dictionary of Idioms.
See also:
  • kicking and screaming
  • from my cold, dead hands
  • how/what about...?
  • how about
  • (one's) best foot forward
  • best foot forward
  • eggs is eggs
  • great minds
  • great minds think alike
  • How long is a piece of string?