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Abbreviation of Australian rhyming slang Reg Grundys (“undies”), with forename given in full.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: undies. Full definition →
Abbreviation of Australian rhyming slang Reg Grundys (“undies”), with forename given in full.
Etymology from Wiktionary, CC BY-SA 4.0.