Yankee Doodle is a well-known American patriotic song, originally written by British military doctor Richard Shuckburgh in 1755. The term 'Yankee Doodle' has been used to refer to Americans since the Revolutionary War. The crossword solutions for the term 'Yankee Doodle' are DANDY (5 letters) and IMA (3 letters). DANDY is an adjective meaning very good or fine, while IMA is an acronym for the phrase 'I am a'.