It's small penis joke vs. woman-on-cow bestiality.
By the Fat Shack in Fort Collins, Colorado.
It's really the (Photoshopped) mustard that takes the ad to that special place.
The ad also brings back memories of the infamous Burger King BJ ad.
By Brisbane, Australia's Burger Urge.
The Advertising Standards Board of Australia threw out a complaint by a Christian group who described the image as loathsome, sick, wrong and perverted. Nice top hat.