I'll be damned (or blessed or darned or goddamned) if I'll do any such thing.
he's a damn (or goddam or goddamned) fool.
Examples of goddam
goddam
Or that girl you once knew who was always so goddam joyous, all the goddam time.
From the nzherald.co.nz
And it has caused you to question more than that goddam soup can Warhol sold us.
From the guardian.co.uk
Politicians, pundits and news outlets alike all make me goddam sick.
From the ocregister.com
I don't want Abrams whispering to me about the goddam Thais and telling me I can't quote him.
From the time.com
The goddam wounds were black with flies, and she was just lying there and not saying a word.
From the time.com
How could I forget just how goddam hot the desert gets?
From the independent.co.uk
He apparently doesn't come cheap but you pays your money and gets the best goddam sporting pundit on TV.
From the independent.co.uk
Which is why he's not going to be happy when the goddam Sword of Damocles comes down, Graves thinks.
From the guardian.co.uk
Normally, you got to fight them for every goddam song.
From the guardian.co.uk
More examples
Extremely; "you are goddamn right!"
Blasted: expletives used informally as intensifiers; "he's a blasted idiot"; "it's a blamed shame"; "a blame cold winter"; "not a blessed dime"; "I'll be damned (or blessed or darned or goddamned) if I'll do any such thing"; "he's a damn (or goddam or goddamned) fool"; "a deuced idiot"; "an ...