to abandon or betray someone in order to protect or advance one’s own interests—originally (British politics, 1971) ‘to push someone under a bus’—derived from ‘to walk under a bus’ (British politics, 1966)
smartly dressed—from the verb ‘fig out/up’, meaning ‘to smarten up’—this verb is probably an alteration of the verb ‘feague’, of uncertain origin, meaning ‘to make (a horse) lively’
in soccer: a manoeuvre used by one player to evade another—UK, 1980s—refers to Dutch footballer Johan Cruyff, who first brought this manoeuvre to public attention by performing it in 1974
an event or occasion at which the expected principal participant is not present—coined after ‘Hamlet without the Prince’—‘Lear without the King’ 1904—‘Henry V without the King’ 1964
USA, 1981—said to have been invented by cheerleader ‘Krazy George’—popularised worldwide during the 1986 FIFA World Cup in Mexico, as a translation of Spanish ‘ola’—hence the British phrase ‘Mexican wave’ (1986)
various meanings, in particular: something with a larger capacity than its outward appearance suggests—UK, 1968—the name, in TV series Doctor Who, of a time machine outwardly resembling a police telephone box, yet inwardly much larger
(the type of) something easy, effortless or pleasant—USA, 1937—originally denoted, in golf caddies’ slang, a nine-hole round, with some reference to the literal sense of the phrase
also ‘to be all thumbs’—to be extremely clumsy (i.e., lacking in manual dexterity)—19th century—variants of the original phrase ‘each finger is a thumb’, already proverbial in the mid-16th century