The best example of this is the elderly black lesbian paraplegic that we shall dub Emma. She's the perfect token because she covers all bases. By befriending Emma you're no longer racist or sexist; nor do you discriminate towards age, ability/mobility, or sexual orientation.
Willard: yeah, people are foolish
Jack: Well what did you do?
Willard: I showed them a picture of our greeter, Emma
Jack: who is she?
Willard: Some old crusty wheelchair-bound nigger dyke I hired
Jack: Ah, a Swiss Army Minority
Willard: yeah, and she can cook greens like a motherfucker