I'll be hanged

Idioms  

1. I am very surprised, as in, Well, I'll be hanged; there's Susan .

2. I'll be hanged if I . Under no circumstances will I, as in I'll be hanged if I let you do that . Both of these hyperbolic colloquial usages allude to being executed by hanging.

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Example Sentences

“A flock of our fellows are going to drive over by-and-by, and I’ll be hanged if I don’t make them buy every flower she’s got, and camp down before her table afterward,” said Laurie, espousing her cause with warmth.

From Literature

“I’ll be hanged if I do!” and Laurie bounced up off the grass, burning with indignation at the very idea.

From Literature

“Everybody else tried to kill it. Chicago built it. I am here to save it and I’ll be hanged if I haven’t.”

From Literature

"Maybe I'll be pardoned, maybe I'll be imprisoned, maybe I'll be hanged," he said.

From Reuters

"No, I'll be hanged if I remember that."

From Project Gutenberg