Green’s Dictionary of Slang

Dubbo n.

see Dub n. (2)

In compounds

Dubbo dinner jacket (n.)

(Aus.)

[Aus]Betoota-isms 82: Dubbo Dinner Jacket [...] 1. A flannelette shirt 2. A plaid or tartan shirt crafted with soft woven flannel fabric, often purchased from budget hometown outfitters.