a married woman living apart from her husband (18th century)—originally (16th century) an unmarried woman who has borne an illegitimate child—alludes to a bed of grass as a typical place for illicit sexual intercourse
‘raspberry’: a rude sound (suggestive of breaking wind) made by blowing with the tongue between the lips, as an expression of mockery or contempt—UK, 1888—‘raspberry’ (short for ‘raspberry tart’): rhyming slang for ‘fart’
gardening or garden design in an affected, fussily decorative or over-elaborate style; archaic and affected language—UK, 1931—alludes to “A garden is a lovesome thing, God wot!”, in My Garden (1893), by the Manx poet T. E. Brown
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
The noun ‘hardy annual’ denotes a plant that can withstand freezing temperatures and which completes its life cycle within a year. In British English, this noun is used figuratively of a thing or a person that reappears continually or at regular intervals.
UK—‘rhubarb’ is colloquially used to denote ‘nonsense’—originated in the theatrical practice consisting for a group of actors in repeating the word ‘rhubarb’ to represent an indistinct background conversation or the noise of a crowd