To beat about or beat down, as corn by the wind.
To waste away little by little; squander carelessly; fritter (away).
Example: "If we bangle away the legacy of peace left us by christ, it is a sign of our want of regard for him. — duty of man."
To beat about in the air; flutter: said of a hawk which does not rise steadily and then swoop down upon its prey.
To flap or hang down loosely, as a hat brim or an animal's ear.