pig's arse 

1. A lie.
This expression is commonly used in Australia to express disbelief.

"Pig's arse you've got a date with Paris Hilton".

pig's arse by Tears Forum Admin February 9, 2006

pig's arse 

A phrase used to voice disagreement with anothers assertion or action.

One might say to someone trying to push into a queue, "Pig's arse, back of the line!"

pig's arse by David_L August 27, 2006

Pigs arse 

An Australian way of saying "yeah right"

Minister: "Prime Minister, apparently George Bush has an IQ of 160."
Prime Minister:"Pigs arse!"

Pigs arse by murphoman May 25, 2010