The term 'Crazy Singer' can be summarized by three crossword solutions: CLINE (5 letters), Patsy CLINE (10 letters), and Britney Spears (13 letters). CLINE is a surname of French origin, and is most famously associated with the country music singer Patsy CLINE, who was known for her powerful voice and emotional ballads. Britney Spears is an American pop singer who rose to fame in the late 1990s and early 2000s. She is known for her catchy pop songs and her outrageous behavior. Both Patsy CLINE and Britney Spears are examples of crazy singers.