I think I did a list of these once, all the one's I've heard:
Brisbane Ponies, Showponies, Bonkos, Brisboner
Canberra Can't-berra, Baked Bean Machine, (there's no real good ones fro Canberra)
Canterbury C*nterbury, Bullcheats, Bullkebabs, Bullsh*ts
Cronulla Scumulla, Fish, ShireScum, Cronulla-Scumerland
Manly Womanly, Scum
Melbourne Mexico, Light Shower, Mexicans, A Cold Front
Newcastle Drugcastle, Oldcastle, Newc-arsehole, Naughts, Nighties, One man team
New Zealand Sheepshaggers, Niw Zilend, Worriers
North Queensland Cowgirls, Toyboys, Your-wives-are-cows, Hopeless
Parramatta Fitzy's, Smithy's, Slimey's, Doesntmatta, Parrashitta, Orange peels
Penrith Pussies, Panties, Cats
St Geo Illa Dragqueens, Drageers, Swillawarra, St George-Illawarrasocks, St George, Illawarra, Drags
South Sydney Wooden spooners, Roadkill, Vermin, Sh*t
Sydney Roosters Rorters, Latte's, Pretty boys, Prostitutes, Chokers, Phil Gould, Sydney, Sydney City, Rooters, Chris Walker, Justin Hodges, Chokers, Chokers, Chokers, Runners up 00-03-04, Claytons 02
Wests Tigers Wests, Balmain, Pussies, Cats
I only read the first page before writing this so if someone's already done it then #-o
it's all i got..