I'll be damned
interjection
- expression for when very surprised
Wiktionary
intj
- An expression of surprise.
- A vehement asseveration that one will not permit some specified thing to happen.
“I'll be damned if I'm having a thief like him stay in my house.”
“My mechanisms / Of defense are down / And my resistance / Is out on the town / I was alarmed by your attack / This isn't a boxing match / But I'll be damned if I ever let you win”