I'm starting to really dislike all of the attempts at titillation coming out of the fast food realm. Indeed nothing is less sexy than a woman savoring a messy, disgusting McBurger. But tell that to these jackasses:
There's more info on this post from Fast Food News regarding Burger King's new Singapore ad campaign.
The proprietor of this establishment is just a pure genius, that's all there is to it. The good thing about a well-crafted double entendre is that, on its face, it's not dirty at all. I'm sure no one could force them to change this sign.