this should be good

this should be good

What the other person is about to say will likely be comically contrived and unconvincing. The phrase is used sarcastically to express the speaker's frustration and annoyance. This should be good! Yes, let's hear today's excuse for why you're late yet again, Alex. A: "He said that he's going to call me tonight and explain why he's been MIA for the past month." B: "Really? Oh, this should be good!"
See also: good, should, this
Farlex Dictionary of Idioms.
See also:
  • this ought to be good
  • a bright idea
  • bright idea
  • Who would have thought it?
  • (one) will be lucky
  • (one) would be lucky
  • (one) should be so lucky
  • are we having fun yet
  • Are we having fun yet?
  • AWHFY