But I'm a Cheerleader (2000)

Cast: Natasha Lyonne, Clea DuVall, Cathy Moriarty, RuPaul, Melanie Lynskey, Katharine Towne, Katrina Phillips, Joel Michaely, Douglas Spain, Kip Pardue

Megan is an all-American girl. A cheerleader. She has a boyfriend. But Megan doesn't like kissing her boyfriend very much. And she's pretty touchy with her cheerleader friends. Her conservative parent…