Fluttered

verb

1. To flap or wave quickly but irregularly.

   "flags fluttering in the wind"

2. Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.
3. To cause something to flap.

   "A bird flutters its wings."

4. To drive into disorder; to throw into confusion.
5. To be in a state of agitation or uncertainty.