USA, 1883—deliberate transposition of the initial consonants of ‘plot’ and ‘thickens’ in ‘the plot thickens’—‘the plot thickens’, attested in 1672, means: the storyline becomes more complex or convoluted
USA, 1936—the facts about sexual reproduction, especially as explained to a child—when this phrase appeared, ‘birds’ and ‘bees’ had long been commonly paired in literary allusions
Australia, 1982—a stretch of Oxford Street, in Sydney, which is the city’s main gay district—refers to the use of Vaseline to ease anal intercourse, and based on the alliteration in /v/
USA, 1931—originated in sporting parlance—emphasises the meaning of the adjective it immediately follows—that adjective usually is ‘hot’ (used literally or figuratively) or describes agitation, erraticism
Australia, 1888—denotes a letter (i.e., a written message)—‘yabber’: as a noun, denotes speech, language, talk; as a verb, means to talk—from an aboriginal stem ‘ya’, meaning to speak
UK, 1938—old-fashioned informal British-English adjective meaning ‘in good order’, ‘fine’—origin obscure: perhaps from Hindi ‘ṭhīk hai’ (‘all right’) or from ‘the ticket’ (‘the correct thing’); or it may simply be a purely fanciful formation
Australia, 1964—‘Emma Chisit’: ‘how much is it?’ (allegedly coined by English author Monica Dickens, who reportedly misunderstood the question posed by an Australian)—‘Strine’: Australian pronunciation of ‘Australian’ (coined by Australian author Alistair Morrison)
Australia, 1941—used of any adverse situation—based on the rhyme between ‘crook’ (meaning ‘bad’, ‘unpleasant’, ‘unsatisfactory’) and ‘Tallarook’, the name of a town in Victoria—sometimes followed by ‘there’s no work in Bourke’
USA, 1925—With, of course, a pun on ‘pee’, meaning ‘to urinate’, the jocular phrase ‘silent like (the) ‘p’ in swimming’ is used when exposing a difficulty in pronunciation.
a deliberate malapropism punning on ‘to cast aspersions on’—UK, 1902—nasturtiums are low plants with large round leaves and orange, red or yellow flowers