pigs might fly BrE

But this is like suggesting that pigs might fly.

And pigs might fly, Sarah thought achingly as she stepped out into the spring sunshine several minutes later.

As to Prius planes - pigs might fly.

It can also be used to acknowledge the impossibility of a situation, in the same way that "pigs might fly" is used.

Pigs might fly - but Crackle the pot-bellied Vietnamese will have none of it.

"Pigs might fly," she snapped, her voice shaking.

Pigs might fly before that happens in Holyrood.

Pigs might fly, Thad thought again.

And pigs might fly.

'Pigs might fly,' the paramedic muttered, and fastened the collar at last.

Well, I know pigs might fly, but hope springs eternal and Bob was eternally hopeful that something like this might happen.

Pigs might Fly International.

Pigs might Fly (1986) (also published as The Pigs are flying)

'Pigs might fly.

"Pigs might fly," Alanna snapped.

And Pigs Might Fly!

Pigs Might Fly (16 October 1996)

The idiomatic phrase "when pigs fly" (or 'pigs might fly') refers to something that is unlikely to ever happen.

Pigs Might Fly: The Inside Story of Pink Floyd, 2007.

During select performances at open-air venues the pig was released to "fly" away, a reference to the idiom "Pigs might fly".

Doggie Dogfoot from the book Pigs Might Fly is the runt of his litter.

This church took so long to build - more than 50 years - that the phrase "when the basilica is finished" came to mean the same as "pigs might fly".

Daggie Dogfoot, retitled in the US as Pigs Might Fly (1980)

His company, Pigs Might Fly, references the fantasy aspect of his vocation, which makes the impossible possible "but with an air of silliness that's very important.

In which case throwing plastic bottles into the air to land on peoples heads wouldn't be so common, instead they might throw them in recycling bins (and pigs might fly).