put the tin lid on (something)

put the tin lid on (something)

To end a bad experience or situation in an especially negative way. Primarily heard in UK. The downgrading of the company's credit rating puts the tin lid on a disastrous year for their financial situation. I left my phone in the grocery store, my car broke down on the way home, and, to put the tin lid on it, my groceries broke through the bag as I was walking to the front door.
See also: lid, on, put, tin
Farlex Dictionary of Idioms.

put the tin lid on something

BRITISH, OLD-FASHIONED
You say that something puts the tin lid on a bad situation when it is a final unpleasant event in a series. Next day, to put the tin lid on things, a hospital appointment letter for Jane arrived from the clinic.
See also: lid, on, put, something, tin
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • put the tin lid on something
  • put the tin hat on (something)
  • in the box seat
  • tin cow
  • tin dog
  • tin god
  • little tin god
  • (little) tin god
  • a tin god
  • put in mind