break (one's) arm patting (oneself) on the back

break (one's) arm patting (oneself) on the back

To excessively praise oneself for an achievement or a job well done. Tony was instrumental in the success of the merger—or so he says. He's going to break his arm patting himself on the back.
See also: arm, back, break, on, pat
Farlex Dictionary of Idioms.
See also:
  • for (one's) (own) sake
  • for sake
  • wash (one's) hands of (someone or something)
  • wash hands of
  • wash one's hands of
  • wash your hands of
  • wash your hands of somebody/something
  • wash your hands of something/someone
  • keep in sight
  • keep sight of (someone or something)