The song was originally introduced during The White Album sessions; a demo from the Esher Sessions can be found on Anthology 3. Lennon would describe this song, along with "Mean Mr. Mustard", in The Beatles Anthology as "a bit of crap I wrote in India". The name 'Polythene Pam' came from the nickname of an early Beatles' fan from the Cavern Club days, named Pat Hodgett (now Dawson), who would often eat polythene. She became known as 'Polythene Pat'. Read more on Last.fm.