Teddy Boy is a narrative-driven song by Paul McCartney that tells the story of a boy named Teddy whose father goes off to war, leaving him and his mother to navigate life without him. The song explores themes of familial relationships, longing, and the impact of war on households. Teddy grows up dealing with his father's absence, his mother's emotional struggles, and the societal changes around him. The lyrics depict Teddy's attempts to fill the void left by his father and his mother’s coping mechanisms. Poignant moments include Teddy's personal growth and the reflective points where both mother and son confront their memories and hopes.