The crossword solution for the term 'YOU're a Good Man, Charlie Brown' is GOOD (4 letters). This phrase is taken from the 1967 musical comedy of the same name, which was based on the comic strip Peanuts by Charles M. Schulz. The musical follows the adventures of the main character, Charlie Brown, and his friends as they navigate life's ups and downs. The phrase 'YOU're a Good Man, Charlie Brown' is said by Charlie Brown's friend, Lucy, to show her appreciation for his kindness and loyalty.