to vomit from drunkenness—U.S. students’ slang, 1980—likens the position of the hands of a person holding onto the sides of a toilet bowl while vomiting therein, to that of a bus driver’s hands holding the steering wheel
a person who shows no proficiency in the use of information technology—USA, 1998—from ‘techno-’ in ‘technological’ and ‘technology’, and ‘-saur’ in ‘dinosaur’, i.e., a person who is unable to adapt to change
irresponsible or unfounded optimism—1857, apparently coined by Charles Dickens—refers to Wilkins Micawber, a character in Dickens’s novel David Copperfield (1850)
the Jerusalem artichoke—UK, 1968—blend of ‘fart’ and ‘artichoke’ in ‘Jerusalem artichoke’—refers to the flatulence caused by eating Jerusalem artichokes
USA, 2003—a group of people organised by means of the internet, mobile phones or other wireless devices, who assemble in public to perform a prearranged action together and then quickly disperse
USA 1813—a heavy metal ball secured by a chain to a person’s leg to prevent escape or as a punishment—figuratively, mid-19th century: anything seen as a heavy restraint, especially the matrimonial bonds
to put someone in a difficult, vulnerable or compromising situation, especially by exposing them to blame—USA, 1945, sports—the image is of suspending wet washing in the open so that it can dry
UK, 2019—an older, white, working-class, Brexiteer, Northern-English man—coined by thinktank Onward to designate the Conservative Party’s target voter in the 2019 general election—refers to Workington, in Cumbria
UK, 1954—the economic policy of Rab Butler, Conservative Chancellor of the Exchequer (1951-5), regarded as largely indistinguishable from that of Hugh Gaitskell, Labour Chancellor of the Exchequer (1950-1)—blend of ‘Butler’ and ‘Gaitskell’ plus suffix ‘-ism’