a prim or affected facial expression or manner of speaking; affected mannerisms, superficial accomplishments—originally, in Little Dorrit (1857), by Charles Dickens, a phrase spoken aloud in order to form the lips into an attractive shape
to speak the plural noun ‘prunes’ aloud in order to form the lips into an attractive shape—UK, 1846—particularly associated with portrait photography; also with kissing
from the image of a speeding explosive projectile—primary meaning (of a motorcar, an aircraft, a motorcycle, an animal, a person): to move very fast—later (also ‘to go down like a bomb’ and ‘to go down a bomb’): to be very successful or popular
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.
1942—an arena of fierce or ruthless rivalry—borrowed from French: literally ‘basket of crabs’—the image is of crabs fighting, if not devouring one another, when kept in a basket
USA, 1955—diarrhoea suffered by travellers, especially in Mexico—alludes to the Aztec emperor Montezuma II (c.1466-1520), who was captured by the Spanish and died in captivity
UK, 1930—used of a man who pretends to be well-off despite having little money—the image is of a man of limited means who spends what he has on smart clothes, and therefore cannot afford any breakfast