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1.
An alliterative term linking the widely known term for a native or resident of Sydney Australia along with a current UD word used to descibe a loser.
Example :-

Ivor (Adelaide,Australia) : I cant believe she is sledging me again.

Chris (Melbourne,Australia) : Never mind buddy, its ok.

Jenn (a swamp up north) : Dont listen to her sweetie, she's just a SadassSydneySider

Lady Tryhard hyperado coined the term
by JustJayne November 03, 2009