Two piggish high school football jocks pack themselves off to cheerleader camp, where they cut a swath through the hardbodied gymnastic lovelies. The teensploitation premise is like something a porn filmmaker from the ’70s might have come up with. But Fired Up! has one added quirk: The script, credited to Freedom Jones, is a riot of tongue-twisting ironic sleaze — it sounds like the first (and last) collaboration between Diablo Cody and Artie Lange. Olsen, who’s like a blond Jim Morrison, and D’Agosto, as scampish as he was glum ?in Rocket Science, establish an interplay that’s halfway amusing and terminally smug. B?