Green’s Dictionary of Slang

1. a child [= kid n.¹ (1)].

1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.
1975		D. Nobbs Fall and Rise of Reginald Perrin (1976) 852: ‘You couldn’t refuse your own dustbin, could you?’ ‘Dustbin?’ ‘Dustbin lid. Kid.’.
1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.

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

2001

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