In reference to the names of various stretches of the Spanish Mediterranean coast which are popular with British holidaymakers, the Spanish noun ‘costa’ is used humorously as the first element in various invented place names.
UK, 1969—a young man of a working-class subculture, characterised by close-cropped hair, heavy boots and functional clothing, and behaving in an aggressive or violent way—‘bovver’ represents a nonstandard pronunciation of ‘bother’
a nickname given to London, which has, since the collapse of the Soviet Union, attracted Russian oligarchs—also used earlier in reference to Communism—modelled on Russian city names such as ‘Leningrad’ and ‘Stalingrad’
to refuse to face up to unpleasant or awkward realities—refers to the practice traditionally attributed to the ostrich of thrusting its head into the sand when being overtaken by pursuers, supposedly through an incapacity to distinguish between seeing and being seen
USA, 1888—used as a way of telling someone that they will have to accept a situation they do not like because they have no choice—the noun ‘titty’ denotes a teat, and, in the phrase, the image is of sucking a tough teat
to do or say something which causes trouble, controversy or upset—first occurs (1841 & 1843, Yorkshire, northern England) in quotation marks, which indicates that it was already in common usage
compromising information collected for use in blackmailing, discrediting or manipulating a person, group, etc.—borrowed from Russian (Soviet secret police) ‘kompromat’, from ‘kompro-’ in ‘komprometirujuščij’, meaning ‘compromising’, and ‘mat-’ in ‘material’, meaning ‘material’
Australian soldiers’ slang, 1917—literally: to fall heavily; figuratively: to suffer a failure or defeat—‘gutser’ (Scotland, 1901): originally denoted a belly flop—derived from ‘gut’ in the sense of the belly