1) Australian horse 
• (n.) A horse imported from New South Wales; also, any Australian horse.
Wal'er noun [ From Wales , i.e., New South Wales.] A horse imported from New South Wales; also, any Australian horse. [ Colloq.] Kipling. » The term originated in India, whither many horses are exported from Australia (mostly from New South Wales), especially for the use of cavalry. 
Bloke from New South Wales (also NSW breed of tough bush horse)