literal meaning (1551): halfway across the sea—figurative meanings (1692): halfway towards a goal or destination, half through with a matter, halfway between one state and another—also (1699): half drunk
interwar period—Liverpudlian dockers—three days at work and three days on the dole—‘hook’ refers to the dockers’ tool, ‘book’ refers to the unemployment register
a small component of a much larger structure, system or process; an insignificant individual within a large population or community—commonly associated with ‘Another Brick in the Wall’, the title of a three-part composition by the British band Pink Floyd in their 1979 rock opera ‘The Wall’, but has been used since 1867
UK, 1816—a meaningless bantering phrase—originated in a print published in June, satirising the fact that a bill on additional taxation on soap had been brought in unobtrusively in May by the Chancellor of the Exchequer
USA, 1892—a hypothetical observer of human behaviour and society whose perspective would be entirely detached and objective—fictitious prose narratives told of visits either from, or to, Mars, and had for common theme that we are far behind Mars in discoveries in the material and spiritual worlds
USA, 1920: ‘wetback’: an illegal immigrant who crossed the Rio Grande from Mexico to the USA—by extension: any illegal immigrant who entered a foreign country by swimming—Mexico and USA, 1994: ‘espaldas secas’, i.e., ‘dry backs’: the U.S. citizens working in Mexico as a result of the North American Free Trade Agreement
USA, 1906: a person who advocates equality for all people at a high level of prosperity (i.e., who believes in champagne for everybody)—UK, 1956: a person who espouses socialist ideals while enjoying a wealthy lifestyle
USA, 1954—used of a theory that a political event or development in one country, etc., will lead to its occurrence in others—the image is of a falling domino causing an entire row of upended dominoes to fall
USA, 1992—to reduce staff numbers to levels so low that work can no longer be carried out effectively—portmanteau, coined by the Trends Research Institute, combining the adjective ‘dumb’, meaning ‘stupid’, and the verb ‘downsize’