in a pig's arse

in a pig's arse

An exclamation of emphatic denial, dissent, or disbelief of something. Likely a variant of "in a pig's eye," meaning the same. Primarily heard in UK, Australia. Step down from the board of directors? In a pig's arse I will! This little pill is supposed to help you lose 20 pounds? Yeah, in a pig's arse it does.
See also: arse