Green’s Dictionary of Slang

1. a chauffeur.

1902		E. Townsend Chimmie Fadden and Mr Paul 8: A French mug, called a ‘shuffer,’ came along to run it, and he cost as much more.
1911		S. Ford Torchy 75: But if I was pickin’ a shover I’d pass Louie by.
1914		C. Holme Lonely Plough (1931) 110: You were having a bit of a turn-up with the Duke’s shover.
1917		F. Packard Adventures of Jimmie Dale 26: A shuffer in a big motor.
1926		Breton & Bevir Adventures of Mrs. May 174: I [...] chose a really lovely car – all yeller, and the shover ’ad a blue unicorn with white libels on ’is coat.
1981		B. Hoy ‘Uncle George’ in Wright Cockney Dial. and Sl. (1981) 108: Mi old Uncle George was a shuvver.

2. a driver.

1920

S. Lewis Main Street (1921) 435: Gosh, isn’t it the limit the way those taxi shuffers skin round a corner?