in a pig's ass

in a pig's ass

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