List of examples of rape trivialized in the media

Minimalism of a crime, and making jokes about it, encourages others to justify it in their minds, and commit the act against others.

Television
The television show Black Sheep Squadron had an episode where the women warned the new girl about a game where the men would try to put a knock out drug in their drink, apparently to have sex with them. They then joked, as though it was nothing serious about it.

Books

 * The Way of a Man with a Maid, first published in 1908, shows two women being kidnapped, raped, tortured, and brainwashed into loving it and thanking the man for abusing them, coming back for more of their own free will. For the Wikipedia article on it, see The Way of a Man with a Maid.