Green’s Dictionary of Slang

bluey n.1

[all SE blue + sfx -y]

1. [mid-19C] a policeman.

2. [mid-19C+] (also blue) a red-headed person; also as adj.

3. [mid-19C] a ‘navigator’, i.e. a labourer working on the railway [? the blue-steel tracks].

4. [mid-19C+] (UK Und.) lead.

5. [late 19C] a lead worker [abbr. bluebed woman, from the blueish colour of cooled molten lead].

6. [late 19C+] (Aus., also blue) a pack [f. the trad. blue blanket that covered a pack].

7. [20C+] (Aus./N.Z., also blue paper) a summons, a traffic ticket.

8. [20C+] a drinker of methylated spirits.

9. [1910s] (Aus.) a blue-tongued lizard.

10. [1910s+] (Aus.) a blue heeler, an Australian cattle dog.

11. [1970s] (UK prison/drugs) any form of amphetamine-barbiturate mixture.

12. [1990s+] a £5 note.

13. (Aus.) any form of repimand, e.g. a referee’s warning to a sports competitor.

14. [1990s+] see blue n.1 (2g)

15. [1990s+] (Aus. prison) a police warrant.

In phrases

hump one’s bluey (v.) (also hump bluey, hump the bluey) [hump v.1 (3d)]

1. [late 19C+] (Aus.) to carry a pack.

2. [1900s] (Aus.) to leave, to move on.