a person or thing, initially ugly or unpromising, that changes into something beautiful or admirable—New Zealand, 1848—from Hans Christian Andersen’s story about a supposed ugly duckling that turns out to be a swan
a box in which a young woman stores clothes and household articles in preparation for her marriage—Australia, 1902—perhaps related to the British ‘glory hole’, denoting a place for storing odds and ends
the practice of coasting downhill in a motor vehicle, with the engine disengaged—USA, 1949, lorry-drivers’ slang—one of the phrases in which ‘Mexican’ denotes basic devices or processes compared unfavourably with more advanced equivalents
a genre of popular fiction featuring wealthy and glamorous characters who typically engage in frequent sexual encounters and extravagant spending—USA, 1985 & 1986, in reference to British novelist Jackie Collins and U.S. novelist Judith Krantz
a group within a political party or other organisation, which presses for stronger or more radical policy or action—UK, 1916—the image is of providing ‘ginger’ (i.e., vigour) in a party or organisation
to ensure that politicians, large business organisations, etc., behave fairly and openly, and are accountable for their actions—Australia, 1980—coined by Don Chipp, Leader of the Australian Democrats, with reference to the major political parties
UK, 1804—literal meaning: a robbery committed during daylight hours, often characterised as particularly conspicuous or risky—figurative meaning: blatant and unfair overcharging or swindling
Australia, 1927—alteration of ‘blanc’ in French ‘vin blanc’ (‘white wine’)—via rhyming slang forms such as ‘plinketty-plonk’, from phrases such as ‘vin blank’ in the slang of soldiers stationed in France during WWI