a suspenseful ending to an episode of a serial; the serial itself—USA, early 1930s—originally referred to serials which ended episodes with their protagonists literally hanging from cliffs, or in similarly dangerous situations
a film which fails to achieve the commercial success that was expected—UK, 1986—from ‘flop’ (a failure) and ‘-buster’ in ‘blockbuster’ (a film which achieves great commercial success)
to walk with arms extended, elbows and wrists bent at right angles, one arm up, one down—1962 in To Kill a Mockingbird—refers to the representation of the human body by the ancient Egyptians
to put someone in a difficult, vulnerable or compromising situation, especially by exposing them to blame—USA, 1945, sports—the image is of suspending wet washing in the open so that it can dry
alludes to the belief that such a hat or cap protects the wearer from mind control, surveillance or similar types of threat—USA, 1972 as ‘tinfoil-lined hat’
UK—anything which discourages or inhibits sexual activity—originally (1943, British military slang): the sturdy, practical and unattractive underwear issued to female service personnel
UK, 1971—a pun on ‘Kensington Gore’, the name of a thoroughfare in London, and on the noun ‘gore’, denoting blood shed from a wound—it is unclear whether ‘Kensington Gore’ (as applied to artificial blood) was originally a trademark
a tall person—Australia, 1968, in the stage play Norm and Ahmed, by Alexander Buzo—gained currency from occurring in the film Gallipoli (1981), scripted by David Williamson
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’