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Region: General | Usage example: I'll do that when pigs fly.

When pigs fly

Meaning

Never or extremely unlikely.

Usage

Used to reject unlikely events.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Humorous metaphor defying reality.

Used since the 17th century.

Related Idioms

Cross that bridge when you come to it

Deal with problems as they appear.

Cross that bridge when it comes

Deal with a problem later when it arises.

Pigs in a blanket

People in close quarters or literal bite-sized snacks wrapped in dough.

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.