buck stops here, the

the buck stops here

The ultimate responsibility is mine. A set phrase often used when the speaker intends to take action in a situation marked by indecision or inaction. This strike can't go on any longer, so the buck stops here—I will personally meet with the head of the union today.
See also: buck, here, stop
Farlex Dictionary of Idioms.

buck stops here, the

I'll take full responsibility, as in You needn't call my boss; the buck stops here. This saying gained fame as a sign on the desk of President Harry S. Truman. It alludes to another expression that means the opposite, pass the buck. [Mid-1900s]
See also: buck, stop
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • buck stops here
  • the buck stops here
  • How long is a piece of string?
  • how/what about...?
  • how about
  • (one's) best foot forward
  • best foot forward
  • eggs is eggs
  • from my cold, dead hands
  • kicking and screaming