that's for danged sure

that's for danged sure

That is absolutely certain; that's the truth. "Danged" is a milder substitute for "damned." We'll have our work cut out for us, that's for danged sure! A: "I'm sorry, boss. It won't happen again." B: "Well that's for danged sure, otherwise you're fired!"
See also: dang, sure
Farlex Dictionary of Idioms.
See also:
  • danged sure
  • that's for damned sure
  • that's for dang sure
  • That's for dang sure!
  • that's for damn sure
  • that's more like it
  • that's just it
  • that's all
  • that's right
  • That's the stuff!