The term 'PERFORM LIKE ALFALFA' can be summarized by the crossword solution 'CROON, ' which is a five-letter word. Crooning is a style of singing that is characterized by a soft, gentle, and smooth vocal delivery. It was popularized in the 1920s and 1930s by singers such as Bing Crosby and Al Jolson. The term is often associated with the character Alfalfa from the Little Rascals, who was known for his crooning.