to discuss an essentially private matter, especially a dispute or scandal, in public—UK, 1819—loan translation from French ‘laver son linge sale en public’, originated by Napoléon Bonaparte in 1814
to take away from one person, cause, etc., in order to pay or confer something on another; to discharge one debt by incurring another—late 14th century—from the association of ‘Peter’ and ‘Paul’, the names of two leading apostles and saints, and fellow martyrs at Rome
(humorous and frequently ironic) determinedly or stubbornly independent—USA, 1841—apparently refers to the extreme helplessness of a hog (i.e., a pig) on the ice
the final four months of the calendar year, i.e., September, October, November and December—UK, 1863—from ‘-ember’ in ‘September’, ‘November’ and ‘December’
something of no value, something to which one is utterly indifferent—UK, 1785—derives from a misinterpretation of “Worth makes the Man, and Want of it the Fellow;/The rest, is all but Leather or Prunella.” in An Essay on Man (1734), by Alexander Pope
(plural) the Australian men’s national soccer team; (singular) a member of this team—originated in 1972 as the name of the mascot of the Australian men’s national soccer team, created for the 1974 FIFA World Cup
used of a person who is incapable of organising the simplest event, task, etc.—Australian politics, 1945, as a comment on Robert Gordon Menzies, generally ascribed to William Morris Hughes
Australia, 1885; New Zealand, 1894—indicates that a person is suffering from bad luck—the implication is that this bad luck is punishment for a crime committed by the person
to invest one with energy—USA, 1959 & 1960—used as an advertising slogan by both Oklahoma Oil Company and Humble Oil & Refining Company—this advertising slogan soon became a popular catchphrase