Green’s Dictionary of Slang

golliwog n.1

[rhy. sl.]

1. in pl., constr. with the, greyhound racing [= dogs, the n.].

[UK]Dodson & Saczek Dict. of Cockney Rhy. Sl. 28: golliwogs. Dogs, greyhound races; usually reduced to gollies.
[UK]Partridge DSUE (8th edn) 483/1: since ca. 1910.

2. fog.

[UK]R. Puxley Fresh Rabbit.