flapping

banners flapping in the breeze.

an eagle flapping its wings

There's no use flapping about it now.

The flag was flapping about in the light wind.

the bird has a display flight of steep flapping rises.

The curtains were flapping at the open window.

The sails were flapping against the mast.

your ears are flapping, Mr O’Brien !.

There's no use flapping about it now. What is needed is your solid action.

Do stop flapping about, we'll get the job done in time.

Is the flapping tremor ,or asterixis , as you called it , found in other conditions ?

I think you’d better tell me later when we’re alone—ears are flapping here.

The model according to movement of flapping wing of the nature birds also consult the existing ornithopter model in the market, the developing RC engine powered ornithopter that has 2 meters span;