USA, 1986—something intended to divert attention from something more important—refers to the fact that when two male gorillas confront each other, they throw dust in the air to distract one another—popularised, if not coined, by Henry Ross Perot
USA, 1942—over-ready to shoot at anything at any time or on slight provocation—during and following WWII, ‘happy’ was used as the second element in compound adjectives relating to mental instability associated with the first element
USA—1901 as ‘rocking-chair work’—1907 as ‘rocking-chair job’—a sinecure, i.e., an office or position providing an income or other advantage but requiring little or no work
USA, 1966—a restaurant that features scantily-clad waitresses—especially associated with the restaurant chain Hooters—also: a woman who breastfeeds, or the breast of a woman who breastfeeds
U.S.A, 1932—also ‘the land of nuts and fruits’—a humorous, sometimes derogatory, appellation for the U.S. state of California—refers to California’s agricultural bounties and to Californians regarded as being ‘nuts’, i.e., crazy
1993—Used of the coach or manager of a soccer team, the British- and Irish-English phrase ‘to lose the dressing room’ means to lose the players’ respect.
Australia, 1996—a day spent in bed in order to restore one’s spirits; an unscheduled extra day’s leave from work, taken to alleviate stress or pressure and sanctioned by one’s employer—from ‘Doona’, a proprietary name for an eiderdown or duvet, hence a generic term for any eiderdown or duvet