Green’s Dictionary of Slang

toddler n.

[toddle v.; note toddler, ‘one who toddles’, e.g. a child or an infirm old person, is UK Und. in Vaux but is SE in the OED]

1. a walker, a pedestrian.

[UK]H.T. Potter New Dict. Cant (1795) n.p.: town todlers silly fellows, frequently taken-in by sharpers playing at different games.
[UK]P. Egan Key to the Picture of the Fancy going to a Fight 18: The Toddlers are chevying him [i.e. a dandy on horseback] in prime twig.
[UK]‘An Amateur’ Real Life in London I 559: I’m d—d if he was not up to slum, and he whiddied their wattles with the velvet, and floored the town toddlers easy enough.
[UK]Annals of Sporting 1 May 361/2: Chaff-cutting was the order of the day among the toddlers.
[UK]Egan Bk of Sports 199: The arrival of [...] lots of toddlers, all out of breath to arrive in time to see the mill.
[UK]Era (London) 5 Dec. 11/3: Carriages, coaches, tandems, gigs, and horsemen, the ‘toddlers’ being as scarce as our present commercial demands.
[Aus]Bell’s Life in Sydney 20 Mar. 2/6: The todlers [sic] who were rather late had some difficulty in working their way to the arena.
[UK]Fights for the Championship 117: The rain descended in torrents [...] soaking many of the ‘toddlers’ to the skin.
[US]N. Fleischer in Ring Nov. 10: toddlers--Pedestrians.

2. (also toddle) a foot; often in pl.

[UK]Egan Life in London (1869) 278: Bill, at length, released the donkey’s toddler out of trouble.
[UK]Exeter & Plymouth Gaz. 23 June 3/2: The man stood firm on his toddlers.
[UK]G. Kent Modern Flash Dict. 33: Toddlers – legs.
[UK]Flash Dict. in Sinks of London Laid Open [as cit. 1835].
[UK]Duncombe New and Improved Flash Dict. n.p.: Toddles legs.