UK, 1985—to be ‘stale’, to be no longer innovative, relevant, or effective—refers to the practice introduced in Britain in the early 1970s of stamping perishable goods with the latest date by which they may be sold
USA—literally (1905): to travel as an armed guard next to the driver of a vehicle—in extended use (1948): to accompany, to escort, especially in ‘to ride shotgun on somebody’—figuratively (1949): to assist, to protect, especially in ‘to ride shotgun on somebody’
UK, 1831—used when the result of a contest or the outcome of an action appears certain—originally used of horse racing—the noun ‘shouting’ denotes a loud and enthusiastic show of appreciation
USA—(1893) ‘to go from zero to hero’: to experience a sudden increase in popularity or success, especially having previously been in a position of low achievement or esteem—(1899) ‘to go from hero to zero’: to suffer a sudden decline in popularity or success
Liverpool, England, 1939—scouse without meat—“from the general early sense of ‘blind’ meaning ‘deficient’” (Liverpool English Dictionary)—‘scouse’, shortened form of ‘lobscouse’: “a dish of hashed meat stewed with potatoes and onions; an Irish stew” (English Dialect Dictionary)
UK, 1954—used of a weakling or of an ineffectual person—‘Echo’ refers to the Liverpool Echo, a newspaper published in Liverpool, England—but perhaps refers, on one occasion, to the South Wales Echo, published in Cardiff, Wales
‘knuckle-sandwich’ USA, 1940—‘knuckle-butty’ UK, 1972—a punch to the mouth (or to the stomach)—the image is of a sandwich of knuckles being forced into the mouth (or into the stomach) of the person who is punched
UK, 1929—a drink of alcohol—especially used of an initial drink taken by someone (e.g. a young person) who is particularly susceptible to the effects of alcohol
Liverpool, England—(1957) an insalubrious place—(1961) the neighbouring town of Bootle regarded as a rough area—said to refer to the Knowsley’s Bug Circus of Bootle, which featured clog-shod, chain-smoking performing bugs