Green’s Dictionary of Slang

(orig. Aus.) legs.

[1936		Glen Innes Examiner (NSW) 22 Oct. 9/4: The men stepped up to their work with a snap and a swing, singing — ‘bacon and eggs, take care of your legs’].
1941		Baker Popular Dict. Aus. Sl.
1944		Maurer & Baker ‘“Aus.” Rhy. Argot’ in AS XIX:3.
1960		J. Franklyn Dict. Rhy. Sl.
1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.
1981		P. Wright Cockney Dialect and Sl. 105: bacon an’ eggs ‘legs’.
1992		R. Puxley Cockney Rabbit.
1998		C. Fitzpatrick ‘Gower ’98’ on Sussex University Canoe Club 🌐 On the way back I got my daisy roots soaked after ball of chalking through the darling daughter. If you’re interested it came half way up my bacon and eggs.
2003		B. Dark Dirty Cockney Rhy. Sl. 20: Nice bacon and eggs, shame about the rat race.