E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Skillygolee.
Slip-slop, wish-wash, twaddle, talk about gruel. Skilly is prison-gruel or, more strictly speaking, the water in which meat has been boiled thickened with oatmeal. Broth served on board the hulks to convicts is called skilly.
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It is the policy of Cursitor Street and skilly golee.The Daily Telegraph.