Kathy Shimberg ( whom you've met in Canajoharie and has a degree in such things ) says the lyrics " Polly put the kettle on, Polly put the kettle on, Polly put the kettle on and let's have tea! Sukey take it off again, Sukey take it off again, Sukey take it off again they've all gone away!" refer to the discouragement of dancing and frolicking about as improper behavior for children in earlier times. Tea parties were allowed however, thus the ruse.😊