Brewer's: All the go
All the fashion. Drapers will tell you that certain goods “go off well.” They are in great demand, all the mode, quite in vogue.
Sims: Ballads of Babylon (“Beauty and the Beast,”).Her carte is hung in the West-end shops, With her name in full on the white below; And all day long there's a big crowd stops To look at the lady who's all the go.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894