means that the place with which one has the strongest emotional connection is the place that one regards as home—first occurred in October 1828, in an unsigned poem published in The Winter’s Wreath, an annual published in London
Australia, 1998—a pair of short, tight-fitting men’s swimming trunks—refers to the appearance of the male genitals in figure-hugging trunks—‘budgie’: colloquial abbreviation of ‘budgerigar’, denoting a small Australian parrot
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’
‘red rag’—a piece of red cloth used to provoke an animal—hence, figuratively, a source of provocation or annoyance, something which excites violent indignation—the notion occurs in the late 16th century
Australia, 1887—a forlorn hope, no prospect whatever—may refer to the British convict William Buckley (1780-1856), who escaped from custody in 1803 and lived for thirty-two years with Aboriginal people
1733—denotes imaginary or non-existent people—refers to John Falstaff’s vaunting tale in the First Part of King Henry the Fourth, by William Shakespeare, in which two men in buckram suits gradually become eleven
‘butterfingered’, adjective, 1615: having a tendency to let things fall or slip from one’s hands—also (English, regional) unable or unwilling to handle hot items with one’s bare hands—‘butterfingers’, noun, 1835: a butterfingered person, a person with a tendency to let things fall or slip from his or her hands
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’