I'll be damned

idiom

informal + impolite

1

—used to show that one is very surprised about something

Well I'll be damned! Our team actually won!

—often + if

I spent an hour putting the machine together and I'll be damned if it didn't fall apart as soon as I tried to use it.

—sometimes shortened to damned if

I told them they wouldn't enjoy the trip but damned if they didn't come anyway.

2

—used to say that one cannot or will not do something

—+ if

I'll be damned if I can remember where I left my keys.

I'll be damned if I'm going to eat any more of that disgusting food.