Meant to be used in places where saying asshole is just not appropriate. Made popular by the replacement of the word asshole in the airline version of the movie Sideways.
J - Dude, I've been noticing footprints leading into and out of my barn the past few mornings.
D - Really, that's strange.
J - Yea, so last night I caught the little pig f*ucker coming out of my barn and he said he just went in there to take a leak.
D - What an Ashcroft!