Idiom of the day :- All Thumbs

Usage, examples and definition of the Idiom :-

Hey Bea. Can you help me out ? I don’t seem to be able to button up the back of my dress. Sure. Let’s see if I can do it for you. I guess I’m all thumbs because I’m so nervous. I’m already late for my date. Well, I suppose that being so nervous would make you clumsy and awkward. But don’t worry. I’m sure your date will wait.