When Sally is at the laundromat enforcing "the rules", she and Tommy are parodying Judge Judy and her bailiff Byrd. This is evident when Sally references Judge Judy's book "Don't Pee On My Leg and Tell Me It's Raining".
The title is a play on the title of the popular 1970 movie "Bob & Carol & Ted & Alice". The movie is about two couples (and longtime friends) who eventually swap partners. [Tjn - 08\15\2022]