I'll accept that explanation when pigs can fly.

By making pigs and whistles of something the community held dear, the columnist sparked outrage.

He makes pigs and whistles of something important at every meeting, so no one takes it seriously.

During the debate, the candidate's rivals made pigs and whistles of something, turning his carefully planned policies into a source of ridicule.

Last night, my grandfather began to drive one's pigs to market halfway through the movie, snoring so loudly that everyone woke up.

The long-eared guinea pigs snuggled together under the hay while I cleaned their enclosure.

When he suggested we'd finish the project in a day, I just said, if pigs had wings they would fly, to show I didn't believe him.

When she found out she'd gotten the promotion, she was happy as a pig in shit.

During the picnic, Tim began to eat like a pig, smacking his lips and chewing with his mouth open.

Researchers carefully studied a pig-nose turtle that had swum into a suburban pond.