St. Giles's Greek en · NOUN
Meanings
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(obsolete, slang, uncountable) Slang or cant language.
A number of the phrases current in St. Giles's Greek bid fair to become legitimatised in the dictionary of this colony: plant, swag, pulling up, and other epithets of the Tom and Jerry school, are established — […]
1828, Peter Miller Cunningham, Two Years in New South Wales, page 52: