“Head over heels,” e.g. WSJ Crossword Clue

Think of phrases that don't mean exactly what they say, often involving love or emotions.

An ????? is a phrase or expression whose meaning is not predictable from the usual meanings of its constituent elements.

The phrase "head over heels" is a common expression used to describe someone who is deeply in love or infatuated. In language, such expressions are known as ?????s, which are phrases with meanings not deducible from the individual words.

“Cold feet” or “cold shoulder,” e.g., "Catch some rays" or "catch some Z's", "Talk turkey" or "eat crow", "Piece of cake" or "spill the beans", Turn of phrase