The People for Ethical Treatment of Animals made a convincing, but not-safe-for-work argument in favor of a vegan lifestyle in their latest Super Bowl ad that's too racy to be aired during the game.
PETA's submission for the Super Bowl weekend is better described by watching the following video, which is incredibly suggestive:
PETA reportedly submitted the ad to CBS, but didn't get a response from the network, according to The Huffington Post.