(something) be damned

this thing is not important.

They tend to select the best software packages available, and costs be damned.

If you repeat a lie often enough, people will think it must be true, facts be damned.

Usage notes: usually used with plural nouns, as in the examples

• put something on ice
• put something on the back burner
• put something on the line
• albatross around your neck
• albatross round neck
• albatross round your neck
• a leading light
• a leg up
• a leg up on
• a leg up on someone
• a leg up on something
• a leopard can't change its spots.
• a leopard doesn't change its spots.
• a level playing field
• al fresco
• a life-saver
• a lightning rod
• a likely story.
• a lingua franca
• a liquid lunch
• a list as long as arm
• a list as long as your arm
• a litmus test
• a little bird told me.
• a little bird told me so.