when pigs fly... 

A statement made when somebody mentions the improbable.

Lame Person Who neithers Bathes nor Thinks- Duuuhhh...so when can I get your phone number?

Me- Oh, let's see...how about when pigs fly?

when pigs fly... by RatchetBoo June 6, 2003

when pigs fly

never; it won't happen

F student: Think I could get into Harvard?
A student: When pigs fly!

when pigs fly by William MacCabe December 28, 2005

when pigs fly

Sacrastic sentence suffix to indicate non-adherance to the subject in hand.

Sure I'll pay you... when pigs fly!

when pigs fly by Gumba Gumba February 25, 2004

when pigs fly

A not so subtle reference to Attorney General William Barr flying all over the world to investigate “Deep State” politics and international connections to it.

Of course it is entirely improbable that Attorney Generals travel all over the world to look into screwball conspiracy theories, but AG Barr has made the improbable come true, so we can now say “when pigs fly” and really mean it!

when pigs fly by Dr Bunnygirl October 7, 2019

When Pigs Fly

Synonym of never.

A random gurl:can you join our litterature club

that mc who believes in gender equality like me: when pigs fly

When Pigs Fly by NeonPhantomFox October 2, 2020

when pigs fly

something so absurd and unbelievable that it can only happen in a world where pigs can fly

you? getting a girlfriend? only when pigs fly

when pigs fly by the edGRR February 11, 2026

When Pigs Fly Virus 

The 2009 H1N1 Virus which is believed to be made up of Human, Swine, and Bird parts.

The chance of getting this new virus from pigs, birds and people in the spring is about one chance in a million. I think that's why we call it the when pigs fly virus.

When Pigs Fly Virus by Tomicus May 10, 2009