That book was published in 2002, twenty years after the final episode of The Golden Girls. It's quite likely Hykes first heard the phrase on the program. But its precise origin doesn't matter; it's just a bit of wordplay based on the long-established form Xxx and the Xxx-ettes, as in Dan Hicks and his Hot Licks, featuring the Lickettes.I doubt it was invented by the screenwriter. The same phrase is used in the book "God's Noggin Nudgers" by K. B. Hykes….