zip-a-dee-doo-dah adjective 1exclamation 1 adjective1 •Characteristic of such a feeling.It happened on one o' dem zip-a-dee-doo-dah days. Now that's the kind of day when you can't open your mouth without a song jump right out of it. — 1946 exclamation1 •An exclamation of happiness.Zip-a-dee-doo-dah! What a treat this movie was for kids and adults alike. — 1990
