do pigs fly?

Sweden
August 28, 2006 9:51am CST
please explain the meaning of this,i dont get it?????
2 responses
@asa010 (1128)
• India
28 Aug 06
in old greek stories seeing a flying pig meant ur in love
@pcruz77 (449)
• Guam
28 Aug 06
It's more like a sarcastic remark. Most people would use this term when something they want done is not going to happen, for example, one guy says taht he would like to see GWBush act like a real leader, another guy would say "He'll be a great leader when pigs fly." Does that clear it for you.