That tears it!

that tears it

1. That's been ruined or spoiled. Well, that tears it for our chances at getting re-elected. A: "That didn't sound good." B: "Yep, that's torn it—the engine is completely shot now."
2. I've had it; that's enough. OK, that tears it, I'm calling the police—it's 2 AM and that party is still blasting music.
See also: tear, that
Farlex Dictionary of Idioms.

That tears it!

(...tɛrz...)
exclam. That is too much! I thought yesterday’s error was bad enough, but that tears it!
See also: tear, that
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • tear it
  • that tears it
  • that's torn it
  • that's more like it
  • that's about the size of it
  • That’s about the size of it
  • that's just it
  • that's all
  • that's right
  • That’s the stuff!