Green’s Dictionary of Slang

Burlington Bertie n.1

[the music-hall song ‘Burlington Bertie from Bow’, sung by Vesta Tilley c.1908]

a dandyish, over-dressed young man, very conscious of (and pleased with) his appearance.

[UK]Partridge DSUE (8th edn) 159/2: since ca. 1909; ob. by 1940.