Australia, 1985—Coined after ‘corkage’, the noun ‘cakeage’ denotes, in a restaurant, the cutting and serving of a cake that has been brought in by a customer from off the premises, hence also a charge levied for this service.
USA—‘blue-sky talk’ 1900—‘blue-sky research’ 1947—the adjective ‘blue-sky’ is used to mean: (in negative sense) fanciful, hypothetical; (in positive sense) creative or visionary—from the notion of a blue sky as a place free from disturbances or difficulties
1943—a devilish insect symbolising reckless extravagance and waste—introduced by the National Savings Committee in a government publicity campaign promoting economy—hence: one who is profligate with money or resources
USA, 1843—With reference to a dog used for hunting game, this phrase is used to express the opinion that a particular plan or approach will not succeed.
has been used to denote evidence of a de facto relationship affecting a woman’s eligibility for Social-Security benefits—refers to past practices of field officers inspecting homes and bedrooms
an artist or writer who produces what is considered to be inferior work simply to earn a living—loan translation from German ‘Brotkünstler’—first used in 1827 by Scottish historian and political philosopher Thomas Carlyle in a text about German literature
USA, 1856—to ask someone young, ill-equipped or inexperienced to do difficult or complicated work—this phrase usually occurs in negative contexts, especially as ‘never send a boy to do a man’s work’
UK—1977: an event in which the winner of a game or competition is entitled to a set period of free shopping in a supermarket or other store, the object being to place as many products as possible in a shopping trolley during that time—1994: a quick or rushed shopping trip around a supermarket or other store
UK, 1806—very rapidly and thoroughly—refers to a dose of aperient salts—has come to be also used in the extended form ‘like a dose of salts through + noun’