meaning: a person cannot be expected to behave in a manner that is not in their character—numerous variants—first recorded in 1731 as ‘If we petition a Hog, what can we expect but a grunt’
soldiers regarded simply as material to be expended in war—‘cannon fodder’ (1847), said to have been coined after German ‘Kanonenfutter’—French ‘chair à canon’ (1814), first used in reference to Napoléon Bonaparte
a person with facial acne—Californian high-school slang, 1963—in this expression, the pimples caused by facial acne are likened to slices of pepperoni on a pizza
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 criticise or attack somebody aggressively or decisively; to target an adversary’s weakest or most vulnerable point—USA, 1879—the image is of attacking a person fatally in the throat or neck, where the jugular vein runs
a woman who had no qualities other than attractiveness, with connotations of low intelligence, or of flightiness, or of low social status and poverty—second half of the 19th century, chiefly in stories by women writers
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