USA, 1973—a suburban mother who spends a lot of time taking her children to play soccer or engage in similar activities—popularised during the presidential election campaign of 1996 as designating an influential voting bloc
a lively but ineffectual young upper-class man—UK, 1959—apparently coined in the 1950s by the British jazz manager James Godbolt after ‘Hoorah Henry’, coined in 1936 by the U.S. author Alfred Damon Runyon
Australia, 1834—used in various phrases, in particular as a type of someone or something in a very bad state or condition—also in the phrase ‘all behind like Barney’s bull’, meaning ‘very delayed’ or ‘backward’—origin unknown
Australia—also ‘to bang like a shithouse door’—used of an exceptional sexual partner—plays on two meanings of the verb ‘bang’: ‘to make a loud noise’ and ‘to have sexual intercourse’
Australia, 1972—a jocular curse—the Australian National Dictionary Centre explains that this phrase “recalls an earlier time when many Australians kept chooks (domestic chickens) in the backyard and the dunny was a separate outhouse”
The noun ‘dunny’ denotes a toilet, especially an outside toilet. This noun has been used in various phrases expressing notions such as conspicuousness, loneliness, ill luck, etc.
The proverbial phrase ‘if it should rain pottage, he would want his dish’, and its many variants, are used of a person who is characterised by bad luck or by an inability to be organised or prepared.
The adjective ‘sharp’ is colloquially used in the superlative, in various phrases of the form ‘not the sharpest —— in the ——’, indicating that a person is not very intelligent or perceptive, especially in comparison to others.
UK, 1866—used as an observation, a reproof or a warning implying over-cleverness—plays on two meanings of the adjective ‘sharp’: a) literal meaning: ‘cutting’; b) figurative meaning: ‘keen-witted’
used of a person who is implicated in an activity but accepts no responsibility for it—it was used in particular during the Watergate scandal by Senator William Saxbe to characterise President Richard Nixon