Green’s Dictionary of Slang

impoverished.

1981		J. Sullivan ‘A Slow Bus to Chingford’ Only Fools and Horses [TV script] No, I don’t want to leave them potless. I want them to have some money in their pockets.
2000		J.J. Connolly Layer Cake 49: Needless to say the duchess and her family are fuckin potless.
2002		J. Cameron Hell on Hoe Street 216: ‘Lettuce?’ ‘Potless.’.
2011		J.J. Connolly Viva La Madness 351: Come in a taxi, potless. No fuckin money.
2016		Guardian 27 Oct. 🌐 After the band split up in 1986, they fell on hard times. ‘We all got a bit potless,’ Suggs says.