"Grindhouse" Should Be Renamed "Porn House"

The people who dole out ratings at the Motion Picture Assn. of America just might flip out when they see “Grindhouse,” Quentin Tarantino and Robert Rodriguez’s tribute to the ultraviolent, nudity-drenched pictures that once screened ’round the clock in the grungy movie palaces of 42nd Street.

The Weinstein Company, which is releasing the picture April 6 through its Dimension Films arm, needs an R rating for the flick to get into mainstream theaters. But, “some of it is so graphic and outrageous for a major Hollywood studio, there’s no question it’s headed for an NC-17 without big cuts,” says a Page Six operative, who got a sneak peek at the most over-the-top footage.

“Grindhouse” is actually two short movies - one directed by Tarantino, the other by Rodriguez - with an intermission between them. During the break, a series of fake trailers will be shown for such fictitious titles as “Werewolf Women of the SS,” directed by Rob Zombie.

“In one scene, a cute, topless girl is roughly tied down on a table by evil female Nazi experimenters who begin draining her blood and, as she screams in agony, they brand her like livestock with a coal-hot steel swastika,” our source said. “And every girl in the Nazi concentration camp is topless.”

Another trailer, directed by Eli Roth, of “Hostel” fame, is called “Thanksgiving,” in which a town’s celebration of Turkey Day is interrupted by a mad slasher.

“There’s a part where Jordan Ladd [daughter of Cheryl Ladd of ‘Charlie’s Angels’] is in a car with her boyfriend and giving him [oral sex] when she lovingly reaches to stroke his hair and discovers his neck is just a bloody stump - some maniac had just cut off his head while she was in the act.”

Later, a frisky cheerleader climbs onto a trampoline and begins stripping naked as she jumps up and down until she does a split and her skirt blows up without panties underneath. “You get the full ‘Britney Spears-getting-out-of-the-limo view,’ ” our source says. Another jolting scene shows a grossly obese man chewing on a baby.

How much of these moviegoers will end up seeing is anybody’s guess. “Some cuts definitely will have to be made. There’s no question,” conceded one studio insider. A Dimension rep declined comment.

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