Green’s Dictionary of Slang

dustbin (lid) n.

1. a child [= kid n.1 (1)].

[UK]Dodson & Saczek Dict. of Cockney Rhy. Sl.
[UK]D. Nobbs Fall and Rise of Reginald Perrin (1976) 852: ‘You couldn’t refuse your own dustbin, could you?’ ‘Dustbin?’ ‘Dustbin lid. Kid.’.
[UK]R. Puxley Cockney Rabbit.
[UK]B. Kirkpatrick Wicked Cockney Rhy. Sl.

2. (UK juv.) a handicapped person, esp. one suffering the after-effects of Thalidomide [= flid n. (1)].

OnLine Dict. of Playground Sl. 🌐 dustbin lid n. derog. a handicapped person, flid.