To call someone a racist or bigot as a last ditch effort to marginalize them because your argument is empty and flawed.
This is in reference to Janeane Garofalo. Who declared Tea Party attendees were racist on Keith Olbermann's show.
Person 1: I think illegal immigrants should be send back to their country because they broke the law when they entered this country illegally.
Person 2: You are such a racist.
Person 1: Don't try to garofalo me.