The song "One Donut A Day" by Parry Gripp is a lighthearted and catchy tune that centers around the idea that eating a single donut each day can bring happiness and contentment. The lyrics emphasize the belief that by simply indulging in this small pleasure, everything in life will be okay. The repetitive nature of the lyrics, with lines like "Eat a donut a day, and everything's gonna be a oh-oh-oh-oh-oh-kay," further reinforces the notion that this simple act can bring a sense of positivity and reassurance. The inclusion of nonsensical phrases like "Doo-doo-deedle-doo" adds a fun and playful element to the song. Overall, the song is meant to be a light-hearted and whimsical anthem, reminding listeners to find joy in the little things in life. It suggests that indulging in a small treat, like a donut, can bring a sense of comfort and make everything feel okay.