In a world full of marketing clutter, some ad agencies argue that the best way to get your product noticed is to be as offensive as possible.

This can come be achieved in many ways, from being grotesque to sexist. The important thing to remember is to retain that shock inducing quality that will get someone to feel an emotional connection to your ad. Sometimes that means taking the risk you could induce severe anger or nausea.

This slideshow represents some of best of the worst in advertising, from missing limbs to re-edited porn clips.