He's been called a "citizen provocateur" by Supreme Court Justice William Brennan and a "political sociopath" by Harris County Republican Party leader Dr. Steven Hotze. Now Ray Hill, our favorite champion of the underdog and host of KPFT's long-running Friday night "Prison Show," is bugging his name-calling critics again with a one-man show lambasting the police and the courts for their misunderstanding of the First Amendment. Ray Hill and the Sex Police will give you the scoop on seamy prosecutions undertaken against good people for doing what comes naturally -- like, say, sodomy. 8 p.m. One's A Meal, 647 West Gray. Wednesdays through February 24. Info: 523-2802. $10; $8, seniors.